CaratHunter
Plans
Round|Lab Grown|IGI

0.99ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818644400

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644400

Diamond specifications and retailer prices

From $187 SGD
$146 USD
As of October 29, 2026
Save $1,782 SGD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,970 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644400 or 818644400. Listed at 22 retailers as of October 27, 2026, with prices from $187 to $1,970, a $1,782 spread on the same certified stone. Queensmith lists it at $1,970. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644400
Dimensions6.49 × 6.44 × 3.87 mm
L/W Ratio1.01
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
6.49 mm6.44 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644400
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.9%

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: $399 SGD|Low: $179 SGD|High: $1,099 SGD|Avg: $473 SGD|+6.2%
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
October 29, 2026
Retailer 13$187 SGD
Retailer 11$208 SGD
Retailer 3$232 SGD
Retailer 2$314 SGD
Retailer 1$399 SGD
Retailer 8$420 SGD
Retailer 7$441 SGD
Retailer 6$474 SGD
Retailer 5$532 SGD
Retailer 9$578 SGD
Retailer 12$592 SGD
Retailer 4$740 SGD
Retailer 10$1,087 SGD

37 data points across 13 retailers

22 retailers$187 SGD to $1,970 SGD

A
Cheapest Retailer
-
$187 SGD
$146 USD
A
Retailer 2
-
$208 SGD
$162 USD
View
Final sale: no returns
A
Retailer 3
-
$217 SGD
$169 USD
View
A
Retailer 4
-
$232 SGD
$181 USD
View
A
Retailer 5
-
$232 SGD
$181 USD
View
A
Retailer 6
-
$262 SGD
HK$1,600 HKD
View
B+
Retailer 7
-
$314 SGD
$245 USD
View
A
Retailer 8
-
$386 SGD
$301 USD
View
A
Retailer 9
-
$399 SGD
£245 GBP
View
A
Retailer 10
-
$420 SGD
ZAR 5,290 ZAR
View
A
Retailer 11
-
$441 SGD
€328 EUR
View
A
Retailer 12
-
$474 SGD
£291 GBP
View
Retailer 13
-
$532 SGD
$415 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
$578 SGD
A$694 AUD
View
B+
Retailer 15
-
$592 SGD
$462 USD
View
B+
Retailer 16
-
$639 SGD
View
B+
Retailer 17
-
$740 SGD
$577 USD
View
B+
Retailer 18
-
$746 SGD
$582 USD
View
B
Retailer 19
-
$818 SGD
$638 USD
View
B
Retailer 20
-
$1,087 SGD
£668 GBP
View
B
Retailer 21
-
$1,309 SGD
$1,022 USD
View
Most Expensive
B
Queensmith
LG818644400 · Oct 27
$1,970 SGD
£1,210 GBP
View
21 more retailers have this diamond
Prices start from $187 SGDSave up to $1,782 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
$187 SGD