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Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG818685283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818685283

Diamond specifications and retailer prices

From HK$1,883 HKD
$240 USD
As of October 26, 2026
Save HK$8,943 HKD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$10,826 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818685283 or 818685283. Listed at 23 retailers as of October 26, 2026, with prices from HK$1,883 to HK$10,826, a HK$8,943 spread on the same certified stone. Brilliant Earth lists it at HK$10,826. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685283
Dimensions7.71 × 7.66 × 4.78 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
7.71 mm7.66 mm1.78 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685283
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

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 26
Current: HK$10,826 HKD|Low: HK$1,812 HKD|High: HK$13,572 HKD|Avg: HK$5,507 HKD|-10.4%
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
October 29, 2026
Retailer 3HK$1,883 HKD
Retailer 6HK$2,110 HKD
Retailer 9HK$2,189 HKD
Retailer 7HK$2,338 HKD
Retailer 12HK$3,154 HKD
Retailer 17HK$3,662 HKD
Retailer 11HK$3,748 HKD
Retailer 14HK$4,016 HKD
Retailer 13HK$4,391 HKD
Retailer 8HK$4,982 HKD
Retailer 15HK$5,451 HKD
Retailer 18HK$5,868 HKD
Retailer 10HK$7,516 HKD
Retailer 16HK$8,787 HKD
Retailer 2HK$9,415 HKD
Retailer 4HK$9,516 HKD
Retailer 5HK$10,373 HKD
Brilliant EarthHK$10,826 HKD

43 data points across 18 retailers

23 retailersHK$1,883 HKD to HK$10,826 HKD

A
Cheapest Retailer
-
HK$1,883 HKD
$240 USD
A
Retailer 2
-
HK$2,110 HKD
$269 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,189 HKD
$279 USD
View
A
Retailer 4
-
HK$2,338 HKD
$298 USD
View
A
Retailer 5
-
HK$2,338 HKD
$298 USD
View
B+
Retailer 6
-
HK$3,154 HKD
$402 USD
View
A
Retailer 7
-
HK$3,662 HKD
£368 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
HK$3,748 HKD
€455 EUR
View
A
Retailer 9
-
HK$4,016 HKD
ZAR 8,270 ZAR
View
A
Retailer 10
-
HK$4,391 HKD
£441 GBP
View
B+
Retailer 11
-
HK$4,854 HKD
$619 USD
View
B+
Retailer 12
-
HK$4,919 HKD
$627 USD
View
B+
Retailer 13
-
HK$4,982 HKD
$635 USD
View
B+
Retailer 14
-
HK$5,451 HKD
A$1,069 AUD
View
B+
Retailer 15
-
HK$5,868 HKD
$748 USD
View
B+
Retailer 16
-
HK$7,516 HKD
$958 USD
View
B
Retailer 17
-
HK$7,923 HKD
$1,010 USD
View
B
Retailer 18
-
HK$8,787 HKD
$1,120 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
HK$9,415 HKD
£945 GBP
View
B
Retailer 20
-
HK$9,516 HKD
$1,213 USD
View
B
Retailer 21
-
HK$9,555 HKD
$1,218 USD
View
B
Retailer 22
-
HK$10,373 HKD
$1,322 USD
View
Most Expensive
B
Brilliant Earth
21053173A · Oct 28
HK$10,826 HKD
$1,380 USD
View
22 more retailers have this diamond
Prices start from HK$1,883 HKDSave up to HK$8,943 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
1.78ct Round
HK$1,883 HKD