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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508297

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508297

Diamond specifications and retailer prices

From HK$3,876 HKD
$494 USD
As of October 30, 2026
Save HK$24,055 HKD (86%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: HK$27,931 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508297 or 754508297. Listed at 31 retailers as of October 30, 2026, with prices from HK$3,876 to HK$27,931, a HK$24,055 spread on the same certified stone. Do Amore Diamonds lists it at HK$27,931. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508297
Dimensions11.53 × 5.32 × 3.38 mm
L/W Ratio2.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.53 mm5.32 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508297
Side View
Table 58.0%Crown 37.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$27,931 HKD|Low: HK$3,272 HKD|High: HK$29,029 HKD|Avg: HK$9,816 HKD|-3.8%
Do Amore Diamonds
Retailer 2
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October 31, 2026
Retailer 17HK$3,272 HKD
Retailer 19HK$3,664 HKD
Retailer 7HK$3,876 HKD
Retailer 16HK$3,899 HKD
Retailer 4HK$4,457 HKD
Retailer 11HK$4,974 HKD
Retailer 26HK$4,982 HKD
Retailer 6HK$5,523 HKD
Retailer 8HK$5,712 HKD
Retailer 12HK$6,080 HKD
Retailer 22HK$6,121 HKD
Retailer 2HK$7,118 HKD
Retailer 24HK$7,401 HKD
Retailer 10HK$10,025 HKD
Retailer 21HK$10,495 HKD
Retailer 5HK$10,945 HKD
Retailer 3HK$11,847 HKD
Retailer 25HK$14,130 HKD
Retailer 13HK$14,136 HKD
Retailer 14HK$14,329 HKD
Retailer 18HK$14,381 HKD
Retailer 9HK$15,019 HKD
Retailer 23HK$15,903 HKD
Retailer 15HK$15,972 HKD
Retailer 20HK$16,947 HKD
Do Amore DiamondsHK$27,931 HKD

35 data points across 26 retailers

31 retailersHK$3,876 HKD to HK$27,931 HKD

Retailer 1
-
HK$3,272 HKD
$417 USD
Price last confirmed 25 days ago
Retailer 2
-
HK$3,272 HKD
$417 USD
View
Price last confirmed 33 days ago
Retailer 3
-
HK$3,664 HKD
$467 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
HK$3,876 HKD
$494 USD
View
Final sale: no returns
Retailer 5
-
HK$3,899 HKD
$497 USD
View
Price last confirmed 24 days ago
Retailer 6
-
HK$3,899 HKD
$497 USD
View
Price last confirmed 22 days ago
Retailer 7
-
HK$4,001 HKD
$510 USD
View
Price last confirmed 34 days ago
Retailer 8
-
HK$4,457 HKD
£447 GBP
View
Price last confirmed 16 days ago
A
Retailer 9
-
HK$4,974 HKD
$634 USD
View
A
Retailer 10
-
HK$4,982 HKD
$635 USD
View
A
Retailer 11
-
HK$5,523 HKD
View
B+
Retailer 12
-
HK$5,712 HKD
$728 USD
View
B+
Retailer 13
-
HK$6,080 HKD
$775 USD
View
B+
Retailer 14
-
HK$6,121 HKD
€743 EUR
View
B+
Retailer 15
-
HK$7,118 HKD
£714 GBP
View
B+
Retailer 16
-
HK$7,401 HKD
ZAR 15,240 ZAR
View
Retailer 17
-
HK$10,025 HKD
$1,278 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
HK$10,495 HKD
A$2,058 AUD
View
B
Retailer 19
-
HK$10,945 HKD
$1,395 USD
View
B+
Retailer 20
-
HK$11,847 HKD
$1,510 USD
View
B
Retailer 21
-
HK$13,848 HKD
$1,765 USD
View
Retailer 22
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HK$13,848 HKD
$1,765 USD
View
Price last confirmed 22 days ago
B
Retailer 23
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HK$14,130 HKD
$1,801 USD
View
B
Retailer 24
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HK$14,136 HKD
A$2,772 AUD
View
B
Retailer 25
-
HK$14,329 HKD
$1,826 USD
View
Retailer 26
-
HK$14,381 HKD
$1,833 USD
View
Price last confirmed 32 days ago
B
Retailer 27
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HK$15,019 HKD
$1,914 USD
View
B
Retailer 28
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HK$15,903 HKD
£1,596 GBP
View
B
Retailer 29
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HK$15,972 HKD
SGD 2,751 SGD
View
B
Retailer 30
-
HK$16,947 HKD
$2,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-82AE7C261 · Oct 31
HK$27,931 HKD
$3,560 USD
View
30 more retailers have this diamond
Prices start from HK$3,876 HKDSave up to HK$24,055 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.21ct Marquise
HK$3,876 HKD