Round|Lab Grown|IGI

1.21ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG853689718

Shape and cutting style on the report: Round brilliant

Certificate IGI LG853689718

Diamond specifications and retailer prices

From $158 USD
As of November 5, 2026
Save $526 USD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $684 USD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG853689718 or 853689718. Listed at 9 retailers as of November 4, 2026, with prices from $158 to $684, a $526 spread on the same certified stone. Taylor and Hart lists it at $684. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853689718
Dimensions6.88 × 6.91 × 4.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.88 mm6.91 mm1.21 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853689718
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.9%

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: Nov 5
Current: $629 USD|Low: $158 USD|High: $684 USD|Avg: $471 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 5, 2026
Retailer 2$158 USD
Retailer 3$183 USD
Retailer 4$230 USD
Retailer 7$265 USD
Retailer 6$477 USD
Retailer 1$629 USD
Retailer 8$647 USD
Retailer 5$657 USD
Taylor and Hart$684 USD

3 data points across 9 retailers

9 retailers$158 USD to $684 USD

A
Cheapest Retailer
-
$158 USD
A
Retailer 2
-
$183 USD
View
A
Retailer 3
-
$230 USD
View
B+
Retailer 4
-
$265 USD
View
B+
Retailer 5
-
$477 USD
View
B+
Retailer 6
-
$629 USD
View
B+
Retailer 7
-
$647 USD
View
B+
Retailer 8
-
$657 USD
View
Most Expensive
B
Taylor and Hart
5ONMKM3 · Nov 4
$684 USD
View
8 more retailers have this diamond
Prices start from $158 USDSave up to $526 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
1.21ct Round
$158 USD