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Oval|Lab Grown|IGI

1.57ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG799670500

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799670500

Diamond specifications and retailer prices

From $525 USD
HK$4,100 HKD
As of October 31, 2026
Save $3,250 USD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,775 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799670500 or 799670500. Listed at 13 retailers as of October 28, 2026, with prices from $525 to $3,775, a $3,250 spread on the same certified stone. Rare Carat lists it at $3,775. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670500
Dimensions9.46 × 6.42 × 4.03 mm
L/W Ratio1.47
Girdle conditionFaceted
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
9.46 mm6.42 mm1.57 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799670500
Side View
Table 59.0%Crown 36.6°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 62.8%

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 31
Current: $3,775 USD|Low: $525 USD|High: $4,340 USD|Avg: $1,543 USD|-1.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 4$525 USD
Retailer 3$560 USD
Retailer 9$621 USD
Retailer 7$647 USD
Retailer 2$701 USD
Retailer 12$851 USD
Retailer 11$898 USD
Retailer 5$1,065 USD
Retailer 13$1,436 USD
Retailer 8$1,590 USD
Retailer 10$2,521 USD
Retailer 6$2,690 USD
Rare Carat$3,775 USD

44 data points across 13 retailers

13 retailers$525 USD to $3,775 USD

A
Cheapest Retailer
-
$525 USD
HK$4,100 HKD
A
Retailer 2
-
$560 USD
View
A
Retailer 3
-
$621 USD
View
A
Retailer 4
-
$647 USD
€616 EUR
View
A
Retailer 5
-
$701 USD
£552 GBP
View
A
Retailer 6
-
$851 USD
View
A
Retailer 7
-
$898 USD
View
B+
Retailer 8
-
$1,065 USD
A$1,638 AUD
View
B+
Retailer 9
-
$1,436 USD
View
B+
Retailer 10
-
$1,590 USD
£1,252 GBP
View
B
Retailer 11
-
$2,521 USD
View
B
Retailer 12
-
$2,690 USD
View
Most Expensive
B
Rare Carat
2379-u · Oct 28
$3,775 USD
View
12 more retailers have this diamond
Prices start from $525 USDSave up to $3,250 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 Oval
$525 USD