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Round|Lab Grown|IGI

1.26ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG770643780

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643780

Diamond specifications and retailer prices

From $209 USD
As of November 1, 2026
Save $829 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,038 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770643780 or 770643780. Listed at 17 retailers as of November 1, 2026, with prices from $209 to $1,038, a $829 spread on the same certified stone. MOH London lists it at $1,038. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643780
Dimensions6.97 × 7.00 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm7.00 mm1.26 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643780
Side View
Table 60.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

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 1
Current: $1,038 USD|Low: $200 USD|High: $1,050 USD|Avg: $556 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10$209 USD
Retailer 12$259 USD
Retailer 5$443 USD
Retailer 13$446 USD
Retailer 2$447 USD
Retailer 6$471 USD
Retailer 3$504 USD
Retailer 8$525 USD
Retailer 11$630 USD
Retailer 7$632 USD
Retailer 9$670 USD
Retailer 4$938 USD
MOH London$1,038 USD

31 data points across 13 retailers

17 retailers$209 USD to $1,038 USD

A
Cheapest Retailer
-
$209 USD
A
Retailer 2
-
$242 USD
View
Retailer 3
-
$259 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$259 USD
View
A
Retailer 5
-
$443 USD
View
A
Retailer 6
-
$446 USD
View
A
Retailer 7
-
$447 USD
ZAR 7,219 ZAR
View
A
Retailer 8
-
$471 USD
€449 EUR
View
A
Retailer 9
-
$504 USD
View
A
Retailer 10
-
$525 USD
View
B+
Retailer 11
-
$630 USD
View
A
Retailer 12
-
$632 USD
A$973 AUD
View
B+
Retailer 13
-
$670 USD
View
B+
Retailer 14
-
$832 USD
View
B
Retailer 15
-
$885 USD
View
B+
Retailer 16
-
$957 USD
View
Most Expensive
B+
MOH London
LG770643780 · Nov 1
$1,038 USD
£817 GBP
View
16 more retailers have this diamond
Prices start from $209 USDSave up to $829 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
1.26ct Round
$209 USD