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Round|Lab Grown|IGI

1.57ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG799694458

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799694458

Diamond specifications and retailer prices

From $346 USD
As of November 1, 2026
Save $1,619 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,965 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799694458 or 799694458. Listed at 23 retailers as of October 28, 2026, with prices from $346 to $1,965, a $1,619 spread on the same certified stone. Rare Carat lists it at $1,965. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799694458
Dimensions7.45 × 7.48 × 4.54 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
7.45 mm7.48 mm1.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799694458
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.9%

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: $1,965 USD|Low: $346 USD|High: $1,980 USD|Avg: $962 USD|-0.8%
Rare Carat
Retailer 2
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Retailer 21
November 2, 2026
Retailer 21$346 USD
Retailer 10$401 USD
Retailer 4$429 USD
Retailer 14$429 USD
Retailer 3$575 USD
Retailer 20$580 USD
Retailer 15$609 USD
Retailer 16$675 USD
Retailer 5$687 USD
Retailer 19$737 USD
Retailer 2$762 USD
Retailer 6$930 USD
Retailer 18$996 USD
Retailer 17$1,002 USD
Retailer 7$1,379 USD
Retailer 8$1,396 USD
Retailer 12$1,421 USD
Retailer 9$1,620 USD
Retailer 13$1,676 USD
Retailer 11$1,859 USD
Rare Carat$1,965 USD

29 data points across 21 retailers

23 retailers$346 USD to $1,965 USD

A
Cheapest Retailer
-
$346 USD
A
Retailer 2
-
$401 USD
View
Retailer 3
-
$429 USD
View
Price last confirmed 7 days ago
A
Retailer 4
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$429 USD
View
A
Retailer 5
-
$486 USD
HK$3,800 HKD
View
A
Retailer 6
-
$575 USD
View
A
Retailer 7
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$580 USD
View
A
Retailer 8
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$609 USD
£479 GBP
View
A
Retailer 9
-
$675 USD
€643 EUR
View
A
Retailer 10
-
$687 USD
View
A
Retailer 11
-
$737 USD
ZAR 11,909 ZAR
View
A
Retailer 12
-
$762 USD
£600 GBP
View
B+
Retailer 13
-
$930 USD
View
B+
Retailer 14
-
$996 USD
A$1,532 AUD
View
B+
Retailer 15
-
$1,002 USD
View
B
Retailer 16
-
$1,379 USD
View
B
Retailer 17
-
$1,396 USD
SGD 1,886 SGD
View
B
Retailer 18
-
$1,421 USD
View
B
Retailer 19
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$1,526 USD
View
B
Retailer 20
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$1,620 USD
View
B
Retailer 21
-
$1,676 USD
£1,320 GBP
View
B
Retailer 22
-
$1,859 USD
View
Most Expensive
B
Rare Carat
AJ-35132239 · Oct 28
$1,965 USD
View
22 more retailers have this diamond
Prices start from $346 USDSave up to $1,619 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
$346 USD