Round|Natural|GIA

5.03ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1226153136

Certificate GIA 1226153136

Diamond specifications and retailer prices

From $88,677 USD
As of October 30, 2026
Save $64,965 USD (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $153,642 USD at MOH London · As of October 29, 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 29, 2026, with prices from $88,677 to $153,642, a $64,965 spread on the same certified stone. MOH London lists it at $153,642. 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
Color
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: $153,642 USD|Low: $85,860 USD|High: $154,664 USD|Avg: $104,661 USD|+0.4%
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
October 31, 2026
Retailer 13$88,677 USD
Retailer 3$89,698 USD
Retailer 9$92,667 USD
Retailer 2$97,336 USD
Retailer 16$97,853 USD
Retailer 5$100,630 USD
Retailer 6$100,630 USD
Retailer 4$101,930 USD
Retailer 12$101,930 USD
Retailer 7$103,980 USD
Retailer 15$106,008 USD
Retailer 10$108,903 USD
Retailer 8$109,970 USD
Retailer 14$110,085 USD
Retailer 11$118,126 USD
MOH London$153,642 USD

37 data points across 16 retailers

14 retailers$88,677 USD to $153,642 USD

B+
Cheapest Retailer
-
$88,677 USD
B+
Retailer 2
-
$89,698 USD
View
Final sale: no returns
B+
Retailer 3
-
$92,667 USD
View
B+
Retailer 4
-
$97,336 USD
£76,642 GBP
View
B
Retailer 5
-
$97,853 USD
View
B+
Retailer 6
-
$100,630 USD
View
B+
Retailer 7
-
$100,630 USD
View
B+
Retailer 8
-
$101,930 USD
View
B+
Retailer 9
-
$101,930 USD
View
B
Retailer 10
-
$103,980 USD
View
B
Retailer 11
-
$106,008 USD
View
B
Retailer 12
-
$108,903 USD
View
B
Retailer 13
-
$110,085 USD
View
Most Expensive
B
MOH London
BA024475C · Oct 29
$153,642 USD
£120,978 GBP
View
13 more retailers have this diamond
Prices start from $88,677 USDSave up to $64,965 USD

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
$88,677 USD