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Round|Lab Grown|IGI

10.39ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG623420092

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623420092

Diamond specifications and retailer prices

From HK$16,217 HKD
$2,067 USD
As of November 1, 2026
Save HK$86,797 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$103,014 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.39ct lab-grown round diamond

This 10.39ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623420092 or 623420092. Listed at 18 retailers as of October 31, 2026, with prices from HK$16,217 to HK$103,014, a HK$86,797 spread on the same certified stone. Brilliant Earth lists it at HK$103,014. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

10.39
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623420092
Dimensions14.20 × 14.16 × 8.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.20 mm14.16 mm10.39 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623420092
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.4%

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: Nov 1
Current: HK$103,014 HKD|Low: HK$15,566 HKD|High: HK$103,014 HKD|Avg: HK$28,508 HKD
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
November 2, 2026
Retailer 12HK$16,217 HKD
Retailer 9HK$16,784 HKD
Retailer 11HK$17,637 HKD
Retailer 5HK$18,155 HKD
Retailer 8HK$18,806 HKD
Retailer 13HK$18,806 HKD
Retailer 4HK$20,124 HKD
Retailer 7HK$22,682 HKD
Retailer 2HK$25,563 HKD
Retailer 15HK$25,852 HKD
Retailer 16HK$27,436 HKD
Retailer 3HK$29,406 HKD
Retailer 10HK$29,739 HKD
Retailer 6HK$53,487 HKD
Retailer 14HK$59,094 HKD
Brilliant EarthHK$103,014 HKD

43 data points across 16 retailers

18 retailersHK$16,217 HKD to HK$103,014 HKD

A
Cheapest Retailer
-
HK$16,217 HKD
$2,067 USD
A
Retailer 2
-
HK$16,784 HKD
£1,684 GBP
View
A
Retailer 3
-
HK$17,637 HKD
$2,248 USD
View
A
Retailer 4
-
HK$18,155 HKD
$2,314 USD
View
Final sale: no returns
Retailer 5
-
HK$18,806 HKD
$2,397 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
HK$18,806 HKD
$2,397 USD
View
A
Retailer 7
-
HK$20,124 HKD
$2,565 USD
View
A
Retailer 8
-
HK$22,682 HKD
$2,891 USD
View
B+
Retailer 9
-
HK$25,563 HKD
£2,566 GBP
View
B+
Retailer 10
-
HK$25,852 HKD
$3,295 USD
View
B+
Retailer 11
-
HK$27,436 HKD
$3,497 USD
View
B+
Retailer 12
-
HK$29,406 HKD
$3,748 USD
View
B+
Retailer 13
-
HK$29,739 HKD
€3,610 EUR
View
Retailer 14
-
HK$48,872 HKD
$6,229 USD
View
Price last confirmed 40 days ago
B
Retailer 15
-
HK$53,487 HKD
$6,817 USD
View
B
Retailer 16
-
HK$59,094 HKD
$7,532 USD
View
B
Retailer 17
-
HK$65,789 HKD
$8,385 USD
View
Most Expensive
B
Brilliant Earth
20602535A · Oct 31
HK$103,014 HKD
$13,130 USD
View
17 more retailers have this diamond
Prices start from HK$16,217 HKDSave up to HK$86,797 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
10.39ct Round
HK$16,217 HKD