Round|Lab Grown|IGI

1.57ct H IF Round Lab Grown Diamond

ID • H/IF • IGI LG850682634

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850682634

Diamond specifications and retailer prices

From $251 USD
As of October 29, 2026
Save $1,053 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,304 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG850682634 or 850682634. Listed at 14 retailers as of October 29, 2026, with prices from $251 to $1,304, a $1,053 spread on the same certified stone. With Clarity lists it at $1,304. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
H
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850682634
Dimensions7.40 × 7.44 × 4.60 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
7.40 mm7.44 mm1.57 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850682634
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.0%

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 29
Current: $1,000 USD|Low: $251 USD|High: $1,304 USD|Avg: $646 USD
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
With Clarity
October 31, 2026
Retailer 10$251 USD
Retailer 7$291 USD
Retailer 8$330 USD
Retailer 2$358 USD
Retailer 4$420 USD
Retailer 11$470 USD
Retailer 12$505 USD
Retailer 13$577 USD
Retailer 9$758 USD
Retailer 6$777 USD
Retailer 1$1,000 USD
Retailer 5$1,023 USD
Retailer 3$1,051 USD
With Clarity$1,304 USD

4 data points across 14 retailers

14 retailers$251 USD to $1,304 USD

A
Cheapest Retailer
-
$251 USD
A
Retailer 2
-
$291 USD
View
A
Retailer 3
-
$330 USD
£260 GBP
View
A
Retailer 4
-
$358 USD
HK$2,800 HKD
View
B+
Retailer 5
-
$420 USD
View
A
Retailer 6
-
$470 USD
View
A
Retailer 7
-
$505 USD
€481 EUR
View
A
Retailer 8
-
$577 USD
View
B+
Retailer 9
-
$758 USD
View
B+
Retailer 10
-
$777 USD
View
B+
Retailer 11
-
$1,000 USD
View
B+
Retailer 12
-
$1,023 USD
SGD 1,383 SGD
View
B+
Retailer 13
-
$1,051 USD
View
Most Expensive
B
With Clarity
850682634 · Oct 31
$1,304 USD
View
13 more retailers have this diamond
Prices start from $251 USDSave up to $1,053 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
1.57ct Round
$251 USD