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0.99ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG659428273

Shape and cutting style on the report: Round brilliant

Certificate IGI LG659428273

Diamond specifications and retailer prices

From $221 SGD
$172 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $221 SGD at William & Sons Jewelers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at William & Sons Jewelers

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG659428273 or 659428273. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659428273
Dimensions6.41 × 6.43 × 4.00 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
Presence of Subsurface inscription: Lightbox logo
Top View
6.41 mm6.43 mm0.99 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659428273
Side View
Table 54.0%Crown 34.5°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $599 SGD|Low: $158 SGD|High: $765 SGD|Avg: $521 SGD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
William & Sons Jewelers
October 24, 2026
William & Sons Jewelers$221 SGD
Retailer 3$434 SGD
Retailer 2$564 SGD
Retailer 1$599 SGD
Retailer 4$750 SGD

65 data points across 5 retailers

1 retailer

B+
William & Sons Jewelers
cert_LG659428273 · Oct 28
$221 SGD
$172 USD
View
Final sale: no returns

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.

B+
0.99ct Round
$221 SGD