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Oval|Lab Grown|GIA

5.12ct J SI1 Oval Lab Grown Diamond

VG • J/SI1 • GIA 1465398287

Certificate GIA 1465398287

Diamond specifications and retailer prices

From $4,984 SGD
$3,899 USD
As of October 31, 2026
Save $998 SGD (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,983 SGD at Zales · As of October 30, 2026
View at Zales

About this 5.12ct lab-grown oval diamond

This 5.12ct lab-grown oval sits in the over five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1465398287. Listed at 4 retailers as of October 30, 2026, with prices from $4,984 to $5,983, a $998 spread on the same certified stone. Zales lists it at $5,983. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.12
Carat
J
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1465398287
Dimensions14.98 × 9.55 × 5.66 mm
L/W Ratio1.57
Top View
14.98 mm9.55 mm5.12 ctJ / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1465398287
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.3%

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: $4,986 SGD|Low: $3,881 SGD|High: $5,983 SGD|Avg: $5,131 SGD
Retailer 1
Retailer 2
Retailer 3
Zales
October 30, 2026
Retailer 3$4,984 SGD
Retailer 1$4,986 SGD
Retailer 2$5,983 SGD
Zales$5,983 SGD

5 data points across 4 retailers

4 retailers$4,984 SGD to $5,983 SGD

A
Cheapest Retailer
-
$4,984 SGD
$3,899 USD
A
Retailer 2
-
$4,986 SGD
$3,900 USD
View
B+
Retailer 3
-
$5,983 SGD
$4,680 USD
View
Most Expensive
B+
Zales
517128537 · Oct 30
$5,983 SGD
$4,680 USD
View
3 more retailers have this diamond
Prices start from $4,984 SGDSave up to $998 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
5.12ct Oval
$4,984 SGD