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Round|Lab Grown|IGI

1.27ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG776690650

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776690650

Diamond specifications and retailer prices

From $182 USD
As of November 1, 2026
Save $688 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,036 USD at MOH London · As of October 21, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776690650 or 776690650. Listed at 12 retailers as of November 1, 2026, with a 378% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776690650
Dimensions6.96 × 6.93 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.96 mm6.93 mm1.27 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776690650
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.4%

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: $1,036 USD|Low: $172 USD|High: $1,043 USD|Avg: $510 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
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 7$182 USD
Retailer 4$210 USD
Retailer 3$213 USD
Retailer 10$219 USD
Retailer 14$298 USD
Retailer 2$395 USD
Retailer 8$410 USD
Retailer 11$483 USD
Retailer 13$500 USD
Retailer 5$703 USD
Retailer 6$709 USD
Retailer 9$830 USD
Retailer 12$870 USD
MOH London$1,036 USD

41 data points across 14 retailers

12 retailers$182 USD to $870 USD

A
Cheapest Retailer
-
$182 USD
A
Retailer 2
-
$219 USD
View
B+
Retailer 3
-
$298 USD
View
A
Retailer 4
-
$395 USD
£311 GBP
View
A
Retailer 5
-
$410 USD
€390 EUR
View
A
Retailer 6
-
$424 USD
View
B+
Retailer 7
-
$483 USD
View
B+
Retailer 8
-
$500 USD
View
B
Retailer 9
-
$763 USD
View
B
Retailer 10
-
$830 USD
View
B
Retailer 11
-
$870 USD
View
Most Expensive
MOH London
LG776690650 · Oct 21
$1,036 USD
£816 GBP
View
Price last confirmed 12 days ago
11 more retailers have this diamond
Prices start from $182 USDSave up to $688 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
$182 USD