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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619625

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619625

Diamond specifications and retailer prices

From HK$1,985 HKD
$253 USD
As of November 2, 2026
Save HK$10,804 HKD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$12,788 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG811619625 or 811619625. Listed at 24 retailers as of October 31, 2026, with prices from HK$1,985 to HK$12,788, a HK$10,804 spread on the same certified stone. Brilliant Earth lists it at HK$12,788. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619625
Dimensions10.27 × 5.42 × 3.24 mm
L/W Ratio1.89
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
10.27 mm5.42 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619625
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.8%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: HK$12,788 HKD|Low: HK$1,907 HKD|High: HK$19,614 HKD|Avg: HK$6,007 HKD|-34.8%
Brilliant Earth
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 6HK$1,985 HKD
Retailer 3HK$2,299 HKD
Retailer 4HK$2,456 HKD
Retailer 5HK$2,456 HKD
Retailer 2HK$2,531 HKD
Retailer 10HK$3,311 HKD
Retailer 17HK$3,334 HKD
Retailer 12HK$4,245 HKD
Retailer 15HK$4,473 HKD
Retailer 11HK$4,645 HKD
Retailer 13HK$4,733 HKD
Retailer 16HK$5,982 HKD
Retailer 8HK$6,222 HKD
Retailer 7HK$7,901 HKD
Retailer 9HK$9,565 HKD
Retailer 18HK$9,864 HKD
Retailer 14HK$11,332 HKD
Brilliant EarthHK$12,788 HKD

32 data points across 18 retailers

24 retailersHK$1,985 HKD to HK$12,788 HKD

A
Cheapest Retailer
-
HK$1,985 HKD
$253 USD
A
Retailer 2
-
HK$2,220 HKD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,299 HKD
$293 USD
View
Retailer 4
-
HK$2,456 HKD
$313 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,456 HKD
$313 USD
View
A
Retailer 6
-
HK$2,531 HKD
£254 GBP
View
A
Retailer 7
-
HK$3,311 HKD
$422 USD
View
A
Retailer 8
-
HK$3,334 HKD
$425 USD
View
A
Retailer 9
-
HK$4,245 HKD
ZAR 8,741 ZAR
View
A
Retailer 10
-
HK$4,378 HKD
$558 USD
View
A
Retailer 11
-
HK$4,473 HKD
€543 EUR
View
A
Retailer 12
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HK$4,598 HKD
$586 USD
View
A
Retailer 13
-
HK$4,645 HKD
£466 GBP
View
A
Retailer 14
-
HK$4,733 HKD
A$928 AUD
View
B+
Retailer 15
-
HK$5,982 HKD
A$1,173 AUD
View
B+
Retailer 16
-
HK$6,222 HKD
$793 USD
View
B+
Retailer 17
-
HK$6,613 HKD
SGD 1,139 SGD
View
B+
Retailer 18
-
HK$7,901 HKD
$1,007 USD
View
B
Retailer 19
-
HK$8,308 HKD
$1,059 USD
View
B
Retailer 20
-
HK$9,565 HKD
£960 GBP
View
B+
Retailer 21
-
HK$9,864 HKD
£990 GBP
View
B
Retailer 22
-
HK$10,684 HKD
$1,362 USD
View
B
Retailer 23
-
HK$11,332 HKD
A$2,222 AUD
View
Most Expensive
B
Brilliant Earth
20879646A · Oct 31
HK$12,788 HKD
$1,630 USD
View
23 more retailers have this diamond
Prices start from HK$1,985 HKDSave up to HK$10,804 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
1.03ct Marquise
HK$1,985 HKD