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Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG781609698

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609698

Diamond specifications and retailer prices

From $311 SGD
$243 USD
As of October 29, 2026
Save $1,701 SGD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,012 SGD 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 LG781609698 or 781609698. Listed at 22 retailers as of October 28, 2026, with prices from $311 to $2,012, a $1,701 spread on the same certified stone. Brilliant Earth lists it at $2,012. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609698
Dimensions7.78 × 7.83 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm7.83 mm1.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609698
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
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: $2,012 SGD|Low: $305 SGD|High: $2,192 SGD|Avg: $922 SGD|-8.2%
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
Retailer 19
October 30, 2026
Retailer 13$311 SGD
Retailer 9$361 SGD
Retailer 8$386 SGD
Retailer 2$604 SGD
Retailer 16$642 SGD
Retailer 3$649 SGD
Retailer 5$663 SGD
Retailer 15$720 SGD
Retailer 12$731 SGD
Retailer 17$805 SGD
Retailer 7$900 SGD
Retailer 11$992 SGD
Retailer 6$1,242 SGD
Retailer 10$1,308 SGD
Retailer 4$1,448 SGD
Retailer 14$1,556 SGD
Retailer 19$1,570 SGD
Retailer 18$1,714 SGD
Brilliant Earth$2,012 SGD

32 data points across 19 retailers

22 retailers$311 SGD to $2,012 SGD

A
Cheapest Retailer
-
$311 SGD
$243 USD
A
Retailer 2
-
$361 SGD
$282 USD
View
A
Retailer 3
-
$386 SGD
$301 USD
View
A
Retailer 4
-
$395 SGD
$308 USD
View
A
Retailer 5
-
$604 SGD
£371 GBP
View
A
Retailer 6
-
$642 SGD
€477 EUR
View
B+
Retailer 7
-
$649 SGD
$506 USD
View
A
Retailer 8
-
$663 SGD
ZAR 8,363 ZAR
View
A
Retailer 9
-
$720 SGD
$562 USD
View
A
Retailer 10
-
$731 SGD
£449 GBP
View
B+
Retailer 11
-
$805 SGD
$628 USD
View
B+
Retailer 12
-
$900 SGD
A$1,080 AUD
View
B+
Retailer 13
-
$992 SGD
$774 USD
View
Retailer 14
-
$1,157 SGD
$903 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
$1,242 SGD
$969 USD
View
B
Retailer 16
-
$1,308 SGD
$1,021 USD
View
B
Retailer 17
-
$1,400 SGD
$1,092 USD
View
B
Retailer 18
-
$1,448 SGD
$1,130 USD
View
B
Retailer 19
-
$1,556 SGD
£956 GBP
View
B
Retailer 20
-
$1,570 SGD
$1,225 USD
View
B
Retailer 21
-
$1,714 SGD
$1,337 USD
View
Most Expensive
B
Brilliant Earth
18294398A · Oct 28
$2,012 SGD
$1,570 USD
View
21 more retailers have this diamond
Prices start from $311 SGDSave up to $1,701 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
$311 SGD