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0.99ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG566312240

Shape and cutting style on the report: Round brilliant

Certificate IGI LG566312240

Diamond specifications and retailer prices

From $282 USD
HK$2,200 HKD
As of October 30, 2026
Save $401 USD (59%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $683 USD at Michael Trio · As of October 31, 2026
View at Michael Trio

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG566312240 or 566312240. Listed at 2 retailers as of October 30, 2026, with prices from $282 to $683, a $401 spread on the same certified stone. Michael Trio lists it at $683. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566312240
Dimensions6.42 × 6.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.42 mm6.44 mm0.99 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566312240
Side View
Table 59.5%Crown 32.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.9%

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 30
Current: $683 USD|Low: $282 USD|High: $820 USD|Avg: $500 USD|-16.7%
Michael Trio
Retailer 2
October 23, 2026
Retailer 2$282 USD
Michael Trio$683 USD

8 data points across 2 retailers

2 retailers$282 USD to $683 USD

A
Cheapest Retailer
-
$282 USD
HK$2,200 HKD
Most Expensive
B+
Michael Trio
1982143730 · Oct 31
$683 USD
SGD 923 SGD
View
1 more retailer has this diamond
Prices start from $282 USDSave up to $401 USD

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
$282 USD