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Oval|Lab Grown|IGI

1.57ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG669419176

Certificate IGI LG669419176

Diamond specifications and retailer prices

From $309 USD
Save $4,861 USD (94%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,170 USD at Brilliant Earth
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG669419176 or 669419176. Listed at 27 retailers, with prices from $309 to $5,170 at Brilliant Earth, a $4,861 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669419176
Dimensions9.54 × 6.52 × 4.08 mm
L/W Ratio1.46
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
9.54 mm6.52 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669419176
Side View
Table 59.0%Crown 36.5°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $5,170 USD|Low: $245 USD|High: $5,170 USD|Avg: $1,163 USD
Brilliant Earth
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Retailer 26
October 1, 2026
Retailer 7$309 USD
Retailer 23$344 USD
Retailer 26$358 USD
Retailer 11$378 USD
Retailer 6$406 USD
Retailer 20$442 USD
Retailer 21$448 USD
Retailer 14$580 USD
Retailer 3$612 USD
Retailer 16$633 USD
Retailer 5$644 USD
Retailer 22$673 USD
Retailer 15$864 USD
Retailer 24$889 USD
Retailer 12$1,074 USD
Retailer 9$1,085 USD
Retailer 25$1,231 USD
Retailer 10$1,250 USD
Retailer 18$1,277 USD
Retailer 4$1,285 USD
Retailer 17$1,541 USD
Retailer 2$1,553 USD
Retailer 8$1,583 USD
Retailer 13$1,952 USD
Retailer 19$2,292 USD
Brilliant Earth$5,170 USD

40 data points across 26 retailers

27 retailers$309 USD to $5,170 USD

A
Cheapest Retailer
-
$309 USD
A
Retailer 2
-
$344 USD
View
A
Retailer 3
-
$358 USD
View
A
Retailer 4
-
$378 USD
View
A
Retailer 5
-
$406 USD
£320 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
$442 USD
View
A
Retailer 7
-
$448 USD
HK$3,500 HKD
View
A
Retailer 8
-
$580 USD
View
A
Retailer 9
-
$612 USD
€583 EUR
View
A
Retailer 10
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$633 USD
ZAR 10,226 ZAR
View
Price last confirmed 20 days ago
A
Retailer 11
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$644 USD
View
A
Retailer 12
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$660 USD
£520 GBP
View
Price last confirmed 21 days ago
A
Retailer 13
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$674 USD
£531 GBP
View
A
Retailer 14
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$864 USD
View
A
Retailer 15
-
$889 USD
A$1,367 AUD
View
B+
Retailer 16
-
$1,074 USD
View
A
Retailer 17
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$1,085 USD
View
B+
Retailer 18
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$1,231 USD
View
B+
Retailer 19
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$1,275 USD
View
B+
Retailer 20
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$1,277 USD
View
B+
Retailer 21
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$1,285 USD
SGD 1,737 SGD
View
B+
Retailer 22
-
$1,541 USD
View
B+
Retailer 23
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$1,553 USD
£1,223 GBP
View
B+
Retailer 24
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$1,583 USD
View
B+
Retailer 25
-
$1,952 USD
A$3,003 AUD
View
B
Retailer 26
-
$2,292 USD
View
Price last confirmed 44 days ago
Most Expensive
B
Brilliant Earth
13182763A · Oct 1
$5,170 USD
View
26 more retailers have this diamond
Prices start from $309 USDSave up to $4,861 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.

A
1.57ct Oval
$309 USD