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Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG818668461

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818668461

Diamond specifications and retailer prices

From HK$1,961 HKD
$250 USD
As of October 30, 2026
Save HK$8,661 HKD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$15,848 HKD at Brilliant Earth · As of September 26, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818668461 or 818668461. Listed at 24 retailers as of October 30, 2026, with a 442% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668461
Dimensions9.99 × 5.28 × 3.30 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.99 mm5.28 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668461
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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$4,633 HKD|Low: HK$1,883 HKD|High: HK$10,623 HKD|Avg: HK$4,801 HKD|+3.3%
Retailer 1
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
Retailer 19
October 30, 2026
Retailer 5HK$1,961 HKD
Retailer 3HK$2,197 HKD
Retailer 9HK$2,275 HKD
Retailer 6HK$2,432 HKD
Retailer 10HK$2,432 HKD
Retailer 19HK$2,588 HKD
Retailer 15HK$3,280 HKD
Retailer 18HK$3,687 HKD
Retailer 13HK$3,880 HKD
Retailer 16HK$4,183 HKD
Retailer 1HK$4,633 HKD
Retailer 7HK$4,733 HKD
Retailer 11HK$4,935 HKD
Retailer 17HK$5,926 HKD
Retailer 2HK$6,120 HKD
Retailer 8HK$7,822 HKD
Retailer 12HK$8,246 HKD
Retailer 14HK$9,805 HKD
Retailer 4HK$10,623 HKD

38 data points across 19 retailers

24 retailersHK$1,961 HKD to HK$10,623 HKD

A
Cheapest Retailer
-
HK$1,961 HKD
$250 USD
A
Retailer 2
-
HK$2,197 HKD
$280 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,275 HKD
$290 USD
View
A
Retailer 4
-
HK$2,432 HKD
$310 USD
View
A
Retailer 5
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HK$2,432 HKD
$310 USD
View
Retailer 6
-
HK$2,588 HKD
£260 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
HK$3,280 HKD
$418 USD
View
A
Retailer 8
-
HK$3,687 HKD
$470 USD
View
A
Retailer 9
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HK$3,880 HKD
€471 EUR
View
A
Retailer 10
-
HK$4,183 HKD
ZAR 8,613 ZAR
View
A
Retailer 11
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HK$4,613 HKD
$588 USD
View
A
Retailer 12
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HK$4,633 HKD
£465 GBP
View
A
Retailer 13
-
HK$4,733 HKD
A$928 AUD
View
B+
Retailer 14
-
HK$4,935 HKD
$629 USD
View
B+
Retailer 15
-
HK$5,070 HKD
$646 USD
View
B+
Retailer 16
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HK$5,926 HKD
A$1,162 AUD
View
B+
Retailer 17
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HK$6,120 HKD
$780 USD
View
B+
Retailer 18
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HK$7,822 HKD
$997 USD
View
B+
Retailer 19
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HK$8,231 HKD
$1,049 USD
View
B+
Retailer 20
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HK$8,246 HKD
A$1,617 AUD
View
B+
Retailer 21
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HK$8,505 HKD
$1,084 USD
View
B+
Retailer 22
-
HK$9,805 HKD
£984 GBP
View
B
Retailer 23
-
HK$10,623 HKD
$1,354 USD
View
Most Expensive
Brilliant Earth
21103048A · Sep 26
HK$15,848 HKD
$2,020 USD
View
Price last confirmed 34 days ago
23 more retailers have this diamond
Prices start from HK$1,961 HKDSave up to HK$8,661 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
1.02ct Marquise
HK$1,961 HKD