CaratHunter
Plans
Heart|Lab Grown|IGI

1.27ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG570366031

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG570366031

Diamond specifications and retailer prices

From $235 USD
As of October 27, 2026
Save $1,070 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,305 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.27ct lab-grown heart diamond

This 1.27ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG570366031 or 570366031. Listed at 19 retailers as of October 27, 2026, with prices from $235 to $1,305, a $1,070 spread on the same certified stone. Reve Diamonds lists it at $1,305. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570366031
Dimensions7.60 × 6.63 × 4.24 mm
L/W Ratio1.15
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
7.60 mm6.63 mm1.27 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570366031
Side View
Table 57.0%Crown 37.6°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 55.8%

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: Oct 27
Current: $493 USD|Low: $226 USD|High: $1,182 USD|Avg: $522 USD|+23.9%
Retailer 1
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
October 30, 2026
Retailer 2$235 USD
Retailer 6$262 USD
Retailer 13$273 USD
Retailer 3$291 USD
Retailer 14$291 USD
Retailer 7$366 USD
Retailer 1$493 USD
Retailer 9$501 USD
Retailer 5$533 USD
Retailer 8$550 USD
Retailer 10$710 USD
Retailer 4$937 USD
Retailer 12$940 USD
Retailer 11$1,170 USD

42 data points across 14 retailers

19 retailers$235 USD to $1,305 USD

A
Cheapest Retailer
-
$235 USD
A
Retailer 2
-
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$273 USD
View
A
Retailer 4
-
$291 USD
View
A
Retailer 5
-
$291 USD
View
A
Retailer 6
-
$320 USD
HK$2,500 HKD
View
A
Retailer 7
-
$366 USD
£288 GBP
View
B+
Retailer 8
-
$486 USD
View
B+
Retailer 9
-
$493 USD
View
B+
Retailer 10
-
$501 USD
ZAR 8,087 ZAR
View
B+
Retailer 11
-
$533 USD
View
B+
Retailer 12
-
$550 USD
£433 GBP
View
B+
Retailer 13
-
$710 USD
A$1,093 AUD
View
B
Retailer 14
-
$937 USD
View
B
Retailer 15
-
$940 USD
View
B
Retailer 16
-
$942 USD
SGD 1,273 SGD
View
B
Retailer 17
-
$989 USD
View
B
Retailer 18
-
$1,170 USD
£921 GBP
View
Most Expensive
B
Reve Diamonds
1F8835EED · Oct 30
$1,305 USD
View
18 more retailers have this diamond
Prices start from $235 USDSave up to $1,070 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 Heart
$235 USD