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Round|Lab Grown|IGI

10.78ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG817695525

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817695525

Diamond specifications and retailer prices

From HK$18,651 HKD
£1,872 GBP
As of October 30, 2026
Save HK$144,461 HKD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$163,112 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.78ct lab-grown round diamond

This 10.78ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817695525 or 817695525. Listed at 12 retailers as of October 29, 2026, with prices from HK$18,651 to HK$163,112, a HK$144,461 spread on the same certified stone. Brilliant Earth lists it at HK$163,112. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.78
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695525
Dimensions14.33 × 14.23 × 8.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.33 mm14.23 mm10.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695525
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.8%

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$163,112 HKD|Low: HK$18,651 HKD|High: HK$163,269 HKD|Avg: HK$50,402 HKD|+0.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5HK$18,651 HKD
Retailer 12HK$23,969 HKD
Retailer 3HK$28,197 HKD
Retailer 4HK$28,925 HKD
Retailer 2HK$30,277 HKD
Retailer 6HK$31,543 HKD
Retailer 10HK$41,144 HKD
Retailer 7HK$45,293 HKD
Retailer 8HK$45,799 HKD
Retailer 9HK$51,727 HKD
Retailer 11HK$107,643 HKD
Brilliant EarthHK$163,112 HKD

38 data points across 12 retailers

12 retailersHK$18,651 HKD to HK$163,112 HKD

A
Cheapest Retailer
-
HK$18,651 HKD
£1,872 GBP
A
Retailer 2
-
HK$23,969 HKD
$3,055 USD
View
A
Retailer 3
-
HK$28,197 HKD
$3,594 USD
View
A
Retailer 4
-
HK$28,925 HKD
$3,687 USD
View
A
Retailer 5
-
HK$30,277 HKD
$3,859 USD
View
A
Retailer 6
-
HK$31,543 HKD
€3,829 EUR
View
Retailer 7
-
HK$41,144 HKD
A$8,068 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$45,293 HKD
$5,773 USD
View
B+
Retailer 9
-
HK$45,799 HKD
$5,837 USD
View
B+
Retailer 10
-
HK$51,727 HKD
$6,593 USD
View
B
Retailer 11
-
HK$107,643 HKD
$13,720 USD
View
Most Expensive
B
Brilliant Earth
21034507A · Oct 29
HK$163,112 HKD
$20,790 USD
View
11 more retailers have this diamond
Prices start from HK$18,651 HKDSave up to HK$144,461 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
10.78ct Round
HK$18,651 HKD