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Round|Lab Grown|IGI

0.99ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG781618377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618377

Diamond specifications and retailer prices

From $230 SGD
$180 USD
As of October 29, 2026
Save $1,848 SGD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,078 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG781618377 or 781618377. Listed at 23 retailers as of October 27, 2026, with prices from $230 to $2,078, a $1,848 spread on the same certified stone. Queensmith lists it at $2,078. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618377
Dimensions6.45 × 6.50 × 3.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.45 mm6.50 mm0.99 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618377
Side View
Table 58.0%Crown 33.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.6%

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 29
Current: $514 SGD|Low: $221 SGD|High: $1,354 SGD|Avg: $550 SGD|+6.4%
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
October 30, 2026
Retailer 14$230 SGD
Retailer 4$258 SGD
Retailer 6$267 SGD
Retailer 2$286 SGD
Retailer 7$286 SGD
Retailer 15$386 SGD
Retailer 1$514 SGD
Retailer 9$517 SGD
Retailer 8$530 SGD
Retailer 3$591 SGD
Retailer 10$714 SGD
Retailer 13$726 SGD
Retailer 5$919 SGD
Retailer 12$1,151 SGD
Retailer 11$1,339 SGD

43 data points across 15 retailers

23 retailers$230 SGD to $2,078 SGD

A
Cheapest Retailer
-
$230 SGD
$180 USD
A
Retailer 2
-
$258 SGD
$202 USD
View
Final sale: no returns
A
Retailer 3
-
$267 SGD
$209 USD
View
A
Retailer 4
-
$286 SGD
$224 USD
View
A
Retailer 5
-
$286 SGD
$224 USD
View
A
Retailer 6
-
$327 SGD
HK$2,000 HKD
View
A
Retailer 7
-
$386 SGD
$302 USD
View
A
Retailer 8
-
$442 SGD
$346 USD
View
A
Retailer 9
-
$514 SGD
£317 GBP
View
A
Retailer 10
-
$517 SGD
ZAR 6,534 ZAR
View
A
Retailer 11
-
$530 SGD
€395 EUR
View
B+
Retailer 12
-
$591 SGD
$462 USD
View
B+
Retailer 13
-
$714 SGD
A$859 AUD
View
B+
Retailer 14
-
$726 SGD
$568 USD
View
B+
Retailer 15
-
$780 SGD
View
Retailer 16
-
$868 SGD
$679 USD
View
Price last confirmed 51 days ago
B
Retailer 17
-
$919 SGD
$719 USD
View
B
Retailer 18
-
$952 SGD
$745 USD
View
B
Retailer 19
-
$989 SGD
$774 USD
View
Retailer 20
-
$1,151 SGD
$900 USD
View
Price last confirmed 14 days ago
B
Retailer 21
-
$1,339 SGD
£825 GBP
View
B
Retailer 22
-
$1,446 SGD
$1,131 USD
View
Most Expensive
B
Queensmith
LG781618377 · Oct 27
$2,078 SGD
£1,280 GBP
View
22 more retailers have this diamond
Prices start from $230 SGDSave up to $1,848 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
0.99ct Round
$230 SGD