CaratHunter
Plans
Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG823684681

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823684681

Diamond specifications and retailer prices

From HK$1,891 HKD
$241 USD
As of October 30, 2026
Save HK$16,233 HKD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$18,124 HKD at Do Amore Diamonds · As of November 1, 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 LG823684681 or 823684681. Listed at 17 retailers as of October 30, 2026, with prices from HK$1,891 to HK$18,124, a HK$16,233 spread on the same certified stone. Do Amore Diamonds lists it at HK$18,124. 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 angle33.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823684681
Dimensions11.29 × 5.64 × 3.43 mm
L/W Ratio2.00
Girdle conditionFaceted
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
11.29 mm5.64 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823684681
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.8%

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$18,124 HKD|Low: HK$1,891 HKD|High: HK$18,124 HKD|Avg: HK$6,968 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 17HK$1,891 HKD
Retailer 6HK$2,110 HKD
Retailer 16HK$2,189 HKD
Retailer 18HK$2,346 HKD
Retailer 8HK$3,954 HKD
Retailer 11HK$4,459 HKD
Retailer 5HK$4,700 HKD
Retailer 10HK$4,747 HKD
Retailer 2HK$4,914 HKD
Retailer 14HK$6,293 HKD
Retailer 15HK$6,457 HKD
Retailer 3HK$8,316 HKD
Retailer 7HK$9,635 HKD
Retailer 4HK$9,945 HKD
Retailer 12HK$10,363 HKD
Retailer 9HK$11,533 HKD
Retailer 13HK$13,239 HKD
Do Amore DiamondsHK$18,124 HKD

44 data points across 18 retailers

17 retailersHK$1,891 HKD to HK$18,124 HKD

A
Cheapest Retailer
-
HK$1,891 HKD
$241 USD
A
Retailer 2
-
HK$2,110 HKD
$269 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,189 HKD
$279 USD
View
A
Retailer 4
-
HK$2,346 HKD
$299 USD
View
A
Retailer 5
-
HK$3,954 HKD
$504 USD
View
A
Retailer 6
-
HK$4,459 HKD
ZAR 9,182 ZAR
View
A
Retailer 7
-
HK$4,700 HKD
$599 USD
View
A
Retailer 8
-
HK$4,914 HKD
£493 GBP
View
B+
Retailer 9
-
HK$6,293 HKD
A$1,234 AUD
View
B+
Retailer 10
-
HK$6,457 HKD
$823 USD
View
B+
Retailer 11
-
HK$8,316 HKD
$1,060 USD
View
B+
Retailer 12
-
HK$9,635 HKD
$1,228 USD
View
B+
Retailer 13
-
HK$9,945 HKD
SGD 1,713 SGD
View
B+
Retailer 14
-
HK$10,363 HKD
£1,040 GBP
View
Retailer 15
-
HK$11,533 HKD
$1,470 USD
View
Price last confirmed 25 days ago
B
Retailer 16
-
HK$13,239 HKD
A$2,596 AUD
View
Most Expensive
B
Do Amore Diamonds
27-617AE431C · Nov 1
HK$18,124 HKD
$2,310 USD
View
16 more retailers have this diamond
Prices start from HK$1,891 HKDSave up to HK$16,233 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$1,891 HKD