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Round|Lab Grown|IGI

10.09ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG627422142

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627422142

Diamond specifications and retailer prices

From HK$15,754 HKD
$2,008 USD
As of November 1, 2026
Save HK$84,279 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$100,033 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.09ct lab-grown round diamond

This 10.09ct 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 LG627422142 or 627422142. Listed at 17 retailers as of October 31, 2026, with prices from HK$15,754 to HK$100,033, a HK$84,279 spread on the same certified stone. Brilliant Earth lists it at HK$100,033. 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

10.09
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627422142
Dimensions13.85 × 13.77 × 8.51 mm
L/W Ratio1.01
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
13.85 mm13.77 mm10.09 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627422142
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

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$100,033 HKD|Low: HK$15,119 HKD|High: HK$100,033 HKD|Avg: HK$28,856 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
November 2, 2026
Retailer 11HK$15,754 HKD
Retailer 8HK$16,306 HKD
Retailer 10HK$17,135 HKD
Retailer 5HK$17,637 HKD
Retailer 12HK$18,273 HKD
Retailer 15HK$19,575 HKD
Retailer 7HK$22,101 HKD
Retailer 2HK$24,830 HKD
Retailer 14HK$25,114 HKD
Retailer 3HK$27,311 HKD
Retailer 4HK$28,590 HKD
Retailer 9HK$28,882 HKD
Retailer 6HK$52,082 HKD
Retailer 13HK$55,885 HKD
Brilliant EarthHK$100,033 HKD

43 data points across 15 retailers

17 retailersHK$15,754 HKD to HK$100,033 HKD

A
Cheapest Retailer
-
HK$15,754 HKD
$2,008 USD
A
Retailer 2
-
HK$16,306 HKD
£1,637 GBP
View
A
Retailer 3
-
HK$17,135 HKD
$2,184 USD
View
A
Retailer 4
-
HK$17,637 HKD
$2,248 USD
View
Final sale: no returns
Retailer 5
-
HK$18,273 HKD
$2,329 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
HK$18,273 HKD
$2,329 USD
View
A
Retailer 7
-
HK$19,575 HKD
$2,495 USD
View
A
Retailer 8
-
HK$22,101 HKD
$2,817 USD
View
B+
Retailer 9
-
HK$24,830 HKD
£2,492 GBP
View
B+
Retailer 10
-
HK$25,114 HKD
$3,201 USD
View
B+
Retailer 11
-
HK$27,311 HKD
$3,481 USD
View
B+
Retailer 12
-
HK$28,590 HKD
$3,644 USD
View
B+
Retailer 13
-
HK$28,882 HKD
€3,506 EUR
View
B
Retailer 14
-
HK$52,082 HKD
$6,638 USD
View
B
Retailer 15
-
HK$55,885 HKD
$7,123 USD
View
B
Retailer 16
-
HK$63,941 HKD
$8,150 USD
View
Most Expensive
B
Brilliant Earth
20602725A · Oct 31
HK$100,033 HKD
$12,750 USD
View
16 more retailers have this diamond
Prices start from HK$15,754 HKDSave up to HK$84,279 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
10.09ct Round
HK$15,754 HKD