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Oval|Lab Grown|GIA

1.57ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • GIA 1488286741

Certificate GIA 1488286741

Diamond specifications and retailer prices

From $363 SGD
$284 USD
As of October 29, 2026
Save $1,337 SGD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,700 SGD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1488286741. Listed at 5 retailers as of October 29, 2026, with prices from $363 to $1,700, a $1,337 spread on the same certified stone. NZ Jewellers lists it at $1,700. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1488286741
Dimensions9.30 × 6.56 × 4.15 mm
L/W Ratio1.42
Culet sizeNone
Key to symbols
Growth Remnant
Top View
9.30 mm6.56 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488286741
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.2%

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: $1,700 SGD|Low: $293 SGD|High: $2,889 SGD|Avg: $1,095 SGD|+31.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5$363 SGD
Retailer 4$386 SGD
Retailer 2$449 SGD
Retailer 3$909 SGD
NZ Jewellers$1,700 SGD
Retailer 6$2,889 SGD

6 data points across 6 retailers

5 retailers$363 SGD to $1,700 SGD

A
Cheapest Retailer
-
$363 SGD
$284 USD
A
Retailer 2
-
$386 SGD
$302 USD
View
A
Retailer 3
-
$449 SGD
$351 USD
View
B+
Retailer 4
-
$909 SGD
$711 USD
View
Most Expensive
B
NZ Jewellers
183be7ed-f4f4-4135-a6f1-b5774f659b7e · Oct 31
$1,700 SGD
$1,330 USD
View
4 more retailers have this diamond
Prices start from $363 SGDSave up to $1,337 SGD

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
$363 SGD