Round|Lab Grown|IGI

1.26ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG761551750

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761551750

Diamond specifications and retailer prices

From $173 USD
As of November 1, 2026
Save $570 USD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,006 USD at MOH London · As of October 21, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG761551750 or 761551750. Listed at 17 retailers as of October 31, 2026, with a 329% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.26
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761551750
Dimensions7.04 × 7.01 × 4.19 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
7.04 mm7.01 mm1.26 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761551750
Side View
Table 59.0%Crown 32.9°Girdle: ThinPavilion 41°Culet: NoneDepth 59.7%

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 1
Current: $1,006 USD|Low: $166 USD|High: $1,012 USD|Avg: $467 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$173 USD
Retailer 10$214 USD
Retailer 6$363 USD
Retailer 5$382 USD
Retailer 11$382 USD
Retailer 3$465 USD
Retailer 2$475 USD
Retailer 4$476 USD
Retailer 7$537 USD
Retailer 9$570 USD
MOH London$1,006 USD

46 data points across 11 retailers

17 retailers$173 USD to $743 USD

A
Cheapest Retailer
-
$173 USD
A
Retailer 2
-
$200 USD
View
Retailer 3
-
$214 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$214 USD
View
A
Retailer 5
-
$363 USD
€346 EUR
View
A
Retailer 6
-
$382 USD
£300 GBP
View
A
Retailer 7
-
$382 USD
View
B+
Retailer 8
-
$444 USD
View
B+
Retailer 9
-
$465 USD
View
A
Retailer 10
-
$475 USD
View
A
Retailer 11
-
$476 USD
£375 GBP
View
B+
Retailer 12
-
$537 USD
View
B+
Retailer 13
-
$570 USD
View
Retailer 14
-
$658 USD
View
Price last confirmed 46 days ago
B+
Retailer 15
-
$688 USD
View
B
Retailer 16
-
$743 USD
View
Most Expensive
MOH London
LG761551750 · Oct 21
$1,006 USD
£792 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $173 USDSave up to $570 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
$173 USD