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Round|Lab Grown|IGI

1.25ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG770645152

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770645152

Diamond specifications and retailer prices

From $207 USD
As of November 1, 2026
Save $829 USD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,036 USD at MOH London · As of October 29, 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 LG770645152 or 770645152. Listed at 19 retailers as of October 29, 2026, with prices from $207 to $1,036, a $829 spread on the same certified stone. MOH London lists it at $1,036. 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 angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770645152
Dimensions6.90 × 6.86 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.90 mm6.86 mm1.25 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770645152
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

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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: $1,036 USD|Low: $207 USD|High: $1,043 USD|Avg: $559 USD|+0.6%
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
Retailer 14
November 1, 2026
Retailer 12$207 USD
Retailer 14$257 USD
Retailer 6$436 USD
Retailer 2$444 USD
Retailer 3$444 USD
Retailer 8$469 USD
Retailer 7$471 USD
Retailer 4$502 USD
Retailer 10$525 USD
Retailer 13$620 USD
Retailer 9$629 USD
Retailer 11$664 USD
Retailer 5$930 USD
MOH London$1,036 USD

42 data points across 14 retailers

19 retailers$207 USD to $1,036 USD

A
Cheapest Retailer
-
$207 USD
A
Retailer 2
-
$240 USD
View
A
Retailer 3
-
$257 USD
View
Retailer 4
-
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$436 USD
View
A
Retailer 6
-
$444 USD
ZAR 7,169 ZAR
View
A
Retailer 7
-
$444 USD
View
A
Retailer 8
-
$469 USD
€447 EUR
View
A
Retailer 9
-
$471 USD
£371 GBP
View
A
Retailer 10
-
$502 USD
View
A
Retailer 11
-
$525 USD
View
A
Retailer 12
-
$620 USD
View
A
Retailer 13
-
$629 USD
A$967 AUD
View
B+
Retailer 14
-
$664 USD
View
Retailer 15
-
$754 USD
View
Price last confirmed 47 days ago
B+
Retailer 16
-
$826 USD
View
B+
Retailer 17
-
$880 USD
View
B+
Retailer 18
-
$949 USD
View
Most Expensive
B+
MOH London
LG770645152 · Oct 29
$1,036 USD
£816 GBP
View
18 more retailers have this diamond
Prices start from $207 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
1.25ct Round
$207 USD