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Round|Lab Grown|IGI

1.27ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG781609890

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609890

Diamond specifications and retailer prices

From $178 USD
As of November 1, 2026
Save $852 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,030 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781609890 or 781609890. Listed at 19 retailers as of November 1, 2026, with prices from $178 to $1,030, a $852 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

1.27
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609890
Dimensions6.93 × 6.97 × 4.31 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 mm6.97 mm1.27 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609890
Side View
Table 57.0%Crown 33.6°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: $1,030 USD|Low: $170 USD|High: $1,041 USD|Avg: $476 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
November 2, 2026
Retailer 10$178 USD
Retailer 12$220 USD
Retailer 6$380 USD
Retailer 3$391 USD
Retailer 2$395 USD
Retailer 7$408 USD
Retailer 4$470 USD
Retailer 8$530 USD
Retailer 5$537 USD
Retailer 9$555 USD
Retailer 11$670 USD
MOH London$1,030 USD

44 data points across 12 retailers

19 retailers$178 USD to $1,030 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$206 USD
View
Retailer 3
-
$220 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$220 USD
View
A
Retailer 5
-
$380 USD
ZAR 6,141 ZAR
View
A
Retailer 6
-
$391 USD
View
A
Retailer 7
-
$395 USD
£311 GBP
View
A
Retailer 8
-
$408 USD
€389 EUR
View
A
Retailer 9
-
$424 USD
View
B+
Retailer 10
-
$470 USD
View
B+
Retailer 11
-
$530 USD
View
B+
Retailer 12
-
$537 USD
A$826 AUD
View
B+
Retailer 13
-
$555 USD
View
B+
Retailer 14
-
$670 USD
View
Retailer 15
-
$676 USD
View
Price last confirmed 47 days ago
B
Retailer 16
-
$708 USD
View
B
Retailer 17
-
$762 USD
View
B
Retailer 18
-
$792 USD
View
Most Expensive
B
MOH London
LG781609890 · Nov 1
$1,030 USD
£811 GBP
View
18 more retailers have this diamond
Prices start from $178 USDSave up to $852 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
1.27ct Round
$178 USD