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Round|Natural|GIA

5.03ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1226153136

Certificate GIA 1226153136

Diamond specifications and retailer prices

From $157,340 NZD
$88,677 USD
As of October 30, 2026
Save $113,816 NZD (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $271,156 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 5.03ct natural round diamond

This 5.03ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1226153136. Listed at 14 retailers as of October 30, 2026, with prices from $157,340 to $271,156, a $113,816 spread on the same certified stone. MOH London lists it at $271,156. 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

5.03
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1226153136
Dimensions11.10 × 11.02 × 6.63 mm
L/W Ratio1.01
Culet sizeNone
Top View
11.10 mm11.02 mm5.03 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1226153136
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 59.9%

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 30
Current: $271,156 NZD|Low: $157,340 NZD|High: $274,421 NZD|Avg: $186,104 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 13$157,340 NZD
Retailer 3$159,151 NZD
Retailer 9$164,419 NZD
Retailer 2$172,703 NZD
Retailer 16$173,621 NZD
Retailer 5$178,548 NZD
Retailer 6$178,548 NZD
Retailer 4$180,854 NZD
Retailer 12$180,854 NZD
Retailer 7$184,492 NZD
Retailer 15$188,090 NZD
Retailer 10$193,227 NZD
Retailer 8$195,120 NZD
Retailer 14$195,324 NZD
Retailer 11$209,591 NZD
MOH London$271,156 NZD

36 data points across 16 retailers

14 retailers$157,340 NZD to $271,156 NZD

B+
Cheapest Retailer
-
$157,340 NZD
$88,677 USD
B+
Retailer 2
-
$159,151 NZD
$89,698 USD
View
Final sale: no returns
B+
Retailer 3
-
$164,419 NZD
$92,667 USD
View
B+
Retailer 4
-
$172,703 NZD
£76,642 GBP
View
Retailer 5
-
$173,621 NZD
$97,853 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$178,548 NZD
$100,630 USD
View
B+
Retailer 7
-
$178,548 NZD
$100,630 USD
View
B+
Retailer 8
-
$180,854 NZD
$101,930 USD
View
B+
Retailer 9
-
$180,854 NZD
$101,930 USD
View
B
Retailer 10
-
$184,492 NZD
$103,980 USD
View
B
Retailer 11
-
$188,090 NZD
$106,008 USD
View
B
Retailer 12
-
$193,227 NZD
$108,903 USD
View
B
Retailer 13
-
$195,324 NZD
$110,085 USD
View
Most Expensive
B
MOH London
BA024475C · Nov 1
$271,156 NZD
£120,334 GBP
View
13 more retailers have this diamond
Prices start from $157,340 NZDSave up to $113,816 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+
5.03ct Round
$157,340 NZD