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Oval|Natural|GIA

0.40ct I SI2 Oval Natural Diamond

GD • I/SI2 • GIA 2557856411

Certificate GIA 2557856411

Diamond specifications and retailer prices

From $440 NZD
$248 USD
As of October 31, 2026
Save $134 NZD (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $574 NZD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.4ct natural oval diamond

This 0.4ct natural oval sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2557856411. Listed at 3 retailers as of October 31, 2026, with prices from $440 to $574, a $134 spread on the same certified stone. 77 Diamonds lists it at $574. 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

0.40
Carat
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557856411
Dimensions5.70 × 4.03 × 2.67 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal
Top View
5.70 mm4.03 mm0.40 ctI / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2557856411
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $574 NZD|Low: $440 NZD|High: $579 NZD|Avg: $499 NZD|+2.8%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2$440 NZD
Retailer 3$452 NZD
77 Diamonds$574 NZD

39 data points across 3 retailers

3 retailers$440 NZD to $574 NZD

B+
Cheapest Retailer
-
$440 NZD
$248 USD
Final sale: no returns
B+
Retailer 2
-
$452 NZD
SGD 344 SGD
View
Most Expensive
B+
77 Diamonds
OVCPJXH2UMF7 · Nov 1
$574 NZD
£255 GBP
View
2 more retailers have this diamond
Prices start from $440 NZDSave up to $134 NZD

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.

B+
0.40ct Oval
$440 NZD