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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 $308 SGD
$240 USD
As of October 29, 2026
Save $1,461 SGD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,769 SGD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $308 to $1,769, a $1,461 spread on the same certified stone. Brilliant Earth lists it at $1,769. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,769 SGD|Low: $296 SGD|High: $2,217 SGD|Avg: $900 SGD|-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 3$308 SGD
Retailer 6$345 SGD
Retailer 9$358 SGD
Retailer 7$382 SGD
Retailer 13$515 SGD
Retailer 17$598 SGD
Retailer 12$612 SGD
Retailer 14$656 SGD
Retailer 2$719 SGD
Retailer 8$814 SGD
Retailer 15$891 SGD
Retailer 18$959 SGD
Retailer 10$1,228 SGD
Retailer 16$1,436 SGD
Retailer 11$1,538 SGD
Retailer 4$1,555 SGD
Retailer 5$1,695 SGD
Brilliant Earth$1,769 SGD

42 data points across 18 retailers

23 retailers$308 SGD to $1,769 SGD

A
Cheapest Retailer
-
$308 SGD
$240 USD
A
Retailer 2
-
$345 SGD
$269 USD
View
Final sale: no returns
A
Retailer 3
-
$358 SGD
$279 USD
View
A
Retailer 4
-
$382 SGD
$298 USD
View
A
Retailer 5
-
$382 SGD
$298 USD
View
B+
Retailer 6
-
$515 SGD
$402 USD
View
A
Retailer 7
-
$598 SGD
£368 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
$612 SGD
€455 EUR
View
A
Retailer 9
-
$656 SGD
ZAR 8,270 ZAR
View
A
Retailer 10
-
$719 SGD
£442 GBP
View
B+
Retailer 11
-
$793 SGD
$619 USD
View
B+
Retailer 12
-
$804 SGD
$627 USD
View
B+
Retailer 13
-
$814 SGD
$635 USD
View
B+
Retailer 14
-
$891 SGD
A$1,069 AUD
View
B+
Retailer 15
-
$959 SGD
$748 USD
View
B+
Retailer 16
-
$1,228 SGD
$958 USD
View
B
Retailer 17
-
$1,294 SGD
$1,010 USD
View
B
Retailer 18
-
$1,436 SGD
$1,120 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,538 SGD
£945 GBP
View
B
Retailer 20
-
$1,555 SGD
$1,213 USD
View
B
Retailer 21
-
$1,561 SGD
$1,218 USD
View
B
Retailer 22
-
$1,695 SGD
$1,322 USD
View
Most Expensive
B
Brilliant Earth
21053173A · Oct 29
$1,769 SGD
$1,380 USD
View
22 more retailers have this diamond
Prices start from $308 SGDSave up to $1,461 SGD

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
$308 SGD