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Round|Natural|GIA

0.40ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6492539118

Certificate GIA 6492539118

Diamond specifications and retailer prices

From $432 NZD
As of November 6, 2026
Save $1,800 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,233 NZD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6492539118. Listed at 14 retailers as of November 4, 2026, with prices from $432 to $2,233, a $1,800 spread on the same certified stone. NZ Jewellers lists it at $2,233. 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

0.40
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492539118
Dimensions4.71 × 4.73 × 2.89 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.71 mm4.73 mm0.40 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6492539118
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

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: Nov 6
Current: $991 NZD|Low: $516 NZD|High: $1,010 NZD|Avg: $710 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$519 NZD
Retailer 6$550 NZD
Retailer 5$569 NZD
Retailer 3$612 NZD
Retailer 4$767 NZD
Retailer 2$833 NZD
Retailer 8$854 NZD
Retailer 1$991 NZD

44 data points across 8 retailers

14 retailers$432 NZD to $2,233 NZD

A
Cheapest Retailer
-
$432 NZD
B+
Retailer 2
-
$493 NZD
View
Retailer 3
-
$530 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$550 NZD
View
B+
Retailer 5
-
$569 NZD
View
B+
Retailer 6
-
$612 NZD
View
B+
Retailer 7
-
$664 NZD
View
B+
Retailer 8
-
$665 NZD
View
B+
Retailer 9
-
$767 NZD
View
B
Retailer 10
-
$833 NZD
View
B
Retailer 11
-
$854 NZD
View
B
Retailer 12
-
$898 NZD
View
B
Retailer 13
-
$991 NZD
View
Most Expensive
C
NZ Jewellers
7df04fd7-c2ff-4f23-bf40-c0b1edd1ff7b · Nov 4
$2,233 NZD
$1,255 USD
View
13 more retailers have this diamond
Prices start from $432 NZDSave up to $1,800 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.

A
0.40ct Round
$432 NZD