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Round|Natural|GIA

5.10ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1236414888

Certificate GIA 1236414888

Diamond specifications and retailer prices

From €82,038 EUR
$91,653 USD
As of October 30, 2026
Save €51,927 EUR (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €133,964 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.1ct natural round diamond

This 5.1ct natural round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1236414888. Listed at 11 retailers as of October 30, 2026, with prices from €82,038 to €133,964, a €51,927 spread on the same certified stone. MOH London lists it at €133,964. 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

5.10
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1236414888
Dimensions10.88 × 10.95 × 6.81 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
10.88 mm10.95 mm5.10 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1236414888
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.4%

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 30
Current: €133,964 EUR|Low: €75,727 EUR|High: €135,578 EUR|Avg: €91,637 EUR|-1.2%
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
November 1, 2026
Retailer 13€75,727 EUR
Retailer 8€82,038 EUR
Retailer 9€82,500 EUR
Retailer 6€86,175 EUR
Retailer 11€86,283 EUR
Retailer 12€87,647 EUR
Retailer 4€89,088 EUR
Retailer 5€89,088 EUR
Retailer 10€89,351 EUR
Retailer 3€92,060 EUR
Retailer 7€96,412 EUR
Retailer 2€101,640 EUR
MOH London€133,964 EUR

20 data points across 13 retailers

11 retailers€82,038 EUR to €133,964 EUR

A
Cheapest Retailer
-
€82,038 EUR
$91,653 USD
A
Retailer 2
-
€82,500 EUR
$92,169 USD
View
A
Retailer 3
-
€86,175 EUR
£75,807 GBP
View
A
Retailer 4
-
€86,283 EUR
$96,396 USD
View
B+
Retailer 5
-
€89,088 EUR
$99,530 USD
View
B+
Retailer 6
-
€89,088 EUR
$99,530 USD
View
B+
Retailer 7
-
€89,351 EUR
$99,824 USD
View
B+
Retailer 8
-
€92,060 EUR
$102,850 USD
View
B+
Retailer 9
-
€96,412 EUR
$107,712 USD
View
B+
Retailer 10
-
€101,640 EUR
View
Most Expensive
B
MOH London
F4B50E059 · Nov 1
€133,964 EUR
£117,847 GBP
View
10 more retailers have this diamond
Prices start from €82,038 EURSave up to €51,927 EUR

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
5.10ct Round
€82,038 EUR