Round|Lab Grown|IGI

1.25ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG788620278

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788620278

Diamond specifications and retailer prices

From $207 USD
As of November 1, 2026
Save $829 USD (80%) vs most expensive(unlock to see where)
18 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 LG788620278 or 788620278. Listed at 18 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 angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788620278
Dimensions6.93 × 6.87 × 4.25 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
6.93 mm6.87 mm1.25 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788620278
Side View
Table 59.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.5%

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: $199 USD|High: $1,043 USD|Avg: $532 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 2, 2026
Retailer 11$207 USD
Retailer 4$257 USD
Retailer 13$257 USD
Retailer 6$436 USD
Retailer 7$444 USD
Retailer 14$444 USD
Retailer 2$471 USD
Retailer 3$502 USD
Retailer 9$525 USD
Retailer 12$620 USD
Retailer 8$629 USD
Retailer 10$664 USD
Retailer 5$930 USD
MOH London$1,036 USD

30 data points across 14 retailers

18 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 8 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
-
$471 USD
€449 EUR
View
A
Retailer 9
-
$502 USD
View
A
Retailer 10
-
$525 USD
View
A
Retailer 11
-
$620 USD
View
A
Retailer 12
-
$629 USD
A$967 AUD
View
B+
Retailer 13
-
$664 USD
View
Retailer 14
-
$754 USD
View
Price last confirmed 47 days ago
B+
Retailer 15
-
$826 USD
View
B+
Retailer 16
-
$880 USD
View
B+
Retailer 17
-
$949 USD
View
Most Expensive
B+
MOH London
LG788620278 · Oct 29
$1,036 USD
£816 GBP
View
17 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