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1.23ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG816607419

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816607419

Diamond specifications and retailer prices

From $274 SGD
$214 USD
As of November 1, 2026
Save $2,519 SGD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,793 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816607419 or 816607419. Listed at 24 retailers as of October 27, 2026, with prices from $274 to $2,793, a $2,519 spread on the same certified stone. Queensmith lists it at $2,793. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607419
Dimensions6.99 × 7.02 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.99 mm7.02 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607419
Side View
Table 62.0%Crown 33.1°Girdle: MediumPavilion 40.4°Culet: NoneDepth 58.3%

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: Nov 1
Current: $585 SGD|Low: $262 SGD|High: $1,534 SGD|Avg: $729 SGD|+1.7%
Retailer 1
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 1, 2026
Retailer 2$274 SGD
Retailer 3$304 SGD
Retailer 7$317 SGD
Retailer 5$339 SGD
Retailer 4$458 SGD
Retailer 9$537 SGD
Retailer 1$585 SGD
Retailer 11$616 SGD
Retailer 10$626 SGD
Retailer 13$828 SGD
Retailer 15$877 SGD
Retailer 14$1,042 SGD
Retailer 6$1,325 SGD
Retailer 8$1,357 SGD
Retailer 12$1,509 SGD

40 data points across 15 retailers

24 retailers$274 SGD to $2,793 SGD

A
Cheapest Retailer
-
$274 SGD
$214 USD
A
Retailer 2
-
$304 SGD
$238 USD
View
Final sale: no returns
A
Retailer 3
-
$317 SGD
$248 USD
View
Retailer 4
-
$339 SGD
$265 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$339 SGD
$265 USD
View
A
Retailer 6
-
$376 SGD
HK$2,300 HKD
View
B+
Retailer 7
-
$458 SGD
$358 USD
View
A
Retailer 8
-
$537 SGD
£331 GBP
View
A
Retailer 9
-
$585 SGD
ZAR 7,392 ZAR
View
B+
Retailer 10
-
$616 SGD
€459 EUR
View
B+
Retailer 11
-
$626 SGD
£385 GBP
View
B+
Retailer 12
-
$628 SGD
$491 USD
View
B+
Retailer 13
-
$828 SGD
A$996 AUD
View
B+
Retailer 14
-
$877 SGD
$686 USD
View
Retailer 15
-
$1,042 SGD
$815 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$1,089 SGD
$852 USD
View
B
Retailer 17
-
$1,100 SGD
View
B
Retailer 18
-
$1,157 SGD
$905 USD
View
B
Retailer 19
-
$1,161 SGD
$908 USD
View
B
Retailer 20
-
$1,325 SGD
£816 GBP
View
B
Retailer 21
-
$1,357 SGD
£836 GBP
View
B
Retailer 22
-
$1,509 SGD
$1,180 USD
View
B
Retailer 23
-
$1,582 SGD
$1,237 USD
View
Most Expensive
B
Queensmith
LG816607419 · Oct 27
$2,793 SGD
£1,720 GBP
View
23 more retailers have this diamond
Prices start from $274 SGDSave up to $2,519 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
1.23ct Round
$274 SGD