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Oval|Lab Grown|IGI

1.57ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG677521473

Certificate IGI LG677521473

Diamond specifications and retailer prices

From $280 USD
Save $3,350 USD (92%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,630 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 LG677521473 or 677521473. Listed at 27 retailers, with prices from $280 to $3,630 at Brilliant Earth, a $3,350 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 angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521473
Dimensions9.34 × 6.60 × 4.11 mm
L/W Ratio1.42
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
9.34 mm6.60 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521473
Side View
Table 59.0%Crown 35.7°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.3%

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: $3,630 USD|Low: $222 USD|High: $3,630 USD|Avg: $1,071 USD
Brilliant Earth
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September 30, 2026
Retailer 7$280 USD
Retailer 3$324 USD
Retailer 25$334 USD
Retailer 10$342 USD
Retailer 2$442 USD
Retailer 16$510 USD
Retailer 13$512 USD
Retailer 6$610 USD
Retailer 4$612 USD
Retailer 14$633 USD
Retailer 19$673 USD
Retailer 9$843 USD
Retailer 12$864 USD
Retailer 23$889 USD
Retailer 11$973 USD
Retailer 24$1,231 USD
Retailer 18$1,394 USD
Retailer 17$1,445 USD
Retailer 8$1,459 USD
Retailer 5$1,489 USD
Retailer 21$1,553 USD
Retailer 20$1,931 USD
Retailer 22$2,420 USD
Retailer 15$2,480 USD
Brilliant Earth$3,630 USD

38 data points across 25 retailers

27 retailers$280 USD to $3,630 USD

A
Cheapest Retailer
-
$280 USD
A
Retailer 2
-
$324 USD
View
A
Retailer 3
-
$334 USD
View
A
Retailer 4
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$342 USD
View
A
Retailer 5
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$442 USD
View
A
Retailer 6
-
$510 USD
View
A
Retailer 7
-
$512 USD
HK$4,000 HKD
View
A
Retailer 8
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$610 USD
View
A
Retailer 9
-
$612 USD
€583 EUR
View
A
Retailer 10
-
$633 USD
ZAR 10,226 ZAR
View
Price last confirmed 20 days ago
A
Retailer 11
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$660 USD
£520 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
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$674 USD
£531 GBP
View
A
Retailer 13
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$843 USD
View
A
Retailer 14
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$864 USD
View
A
Retailer 15
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$889 USD
A$1,367 AUD
View
A
Retailer 16
-
$973 USD
View
B+
Retailer 17
-
$1,231 USD
View
B+
Retailer 18
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$1,394 USD
View
B+
Retailer 19
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$1,445 USD
View
B+
Retailer 20
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$1,459 USD
View
B+
Retailer 21
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$1,489 USD
SGD 2,012 SGD
View
B+
Retailer 22
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$1,553 USD
£1,223 GBP
View
B+
Retailer 23
-
$1,931 USD
A$2,970 AUD
View
B
Retailer 24
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$2,420 USD
View
B
Retailer 25
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$2,457 USD
View
Price last confirmed 58 days ago
B
Retailer 26
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$2,480 USD
View
Most Expensive
B
Brilliant Earth
13509013Y · Sep 29
$3,630 USD
View
26 more retailers have this diamond
Prices start from $280 USDSave up to $3,350 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
$280 USD