Round|Lab Grown|IGI

1.25ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG841605511

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605511

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 LG841605511 or 841605511. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605511
Dimensions6.81 × 6.85 × 4.30 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
6.81 mm6.85 mm1.25 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605511
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.0%

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: $1,036 USD|Avg: $561 USD
MOH London
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 1, 2026
Retailer 17$207 USD
Retailer 15$240 USD
Retailer 5$257 USD
Retailer 7$257 USD
Retailer 12$435 USD
Retailer 16$436 USD
Retailer 2$444 USD
Retailer 8$444 USD
Retailer 4$473 USD
Retailer 6$502 USD
Retailer 18$525 USD
Retailer 13$629 USD
Retailer 14$630 USD
Retailer 11$664 USD
Retailer 3$826 USD
Retailer 9$880 USD
Retailer 10$949 USD
MOH London$1,036 USD

17 data points across 18 retailers

18 retailers$207 USD to $1,036 USD

A
Cheapest Retailer
-
$207 USD
A
Retailer 2
-
$240 USD
View
Retailer 3
-
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$257 USD
View
A
Retailer 5
-
$435 USD
€414 EUR
View
A
Retailer 6
-
$436 USD
View
A
Retailer 7
-
$444 USD
ZAR 7,169 ZAR
View
A
Retailer 8
-
$444 USD
View
Retailer 9
-
$473 USD
£373 GBP
View
Price last confirmed 15 days ago
A
Retailer 10
-
$502 USD
View
A
Retailer 11
-
$525 USD
View
A
Retailer 12
-
$629 USD
A$967 AUD
View
B+
Retailer 13
-
$630 USD
View
B+
Retailer 14
-
$664 USD
View
B+
Retailer 15
-
$826 USD
View
B
Retailer 16
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$880 USD
View
B+
Retailer 17
-
$949 USD
View
Most Expensive
B+
MOH London
LG841605511 · 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