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Round|Lab Grown|IGI

1.25ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG816613662

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613662

Diamond specifications and retailer prices

From $207 USD
As of November 3, 2026
Save $823 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,030 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct 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 LG816613662 or 816613662. Listed at 17 retailers as of November 1, 2026, with prices from $207 to $1,030, a $823 spread on the same certified stone. MOH London lists it at $1,030. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613662
Dimensions6.92 × 6.87 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.87 mm1.25 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613662
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.8%

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: Nov 3
Current: $1,030 USD|Low: $207 USD|High: $1,043 USD|Avg: $598 USD|-0.1%
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 4, 2026
Retailer 10$207 USD
Retailer 12$257 USD
Retailer 4$436 USD
Retailer 9$443 USD
Retailer 13$444 USD
Retailer 8$471 USD
Retailer 2$515 USD
Retailer 11$620 USD
Retailer 7$628 USD
Retailer 6$829 USD
Retailer 3$879 USD
Retailer 5$930 USD
MOH London$1,030 USD

29 data points across 13 retailers

17 retailers$207 USD to $1,030 USD

A
Cheapest Retailer
-
$207 USD
A
Retailer 2
-
$240 USD
View
Retailer 3
-
$257 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$257 USD
View
A
Retailer 5
-
$436 USD
View
A
Retailer 6
-
$443 USD
View
A
Retailer 7
-
$444 USD
View
A
Retailer 8
-
$471 USD
View
A
Retailer 9
-
$515 USD
View
B+
Retailer 10
-
$620 USD
View
A
Retailer 11
-
$628 USD
View
B+
Retailer 12
-
$671 USD
View
B+
Retailer 13
-
$826 USD
View
B+
Retailer 14
-
$829 USD
View
B
Retailer 15
-
$879 USD
View
B+
Retailer 16
-
$949 USD
View
Most Expensive
B+
MOH London
LG816613662 · Nov 1
$1,030 USD
£811 GBP
View
16 more retailers have this diamond
Prices start from $207 USDSave up to $823 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
1.25ct Round
$207 USD