Oval|Natural|GIA

5.15ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 6194954327

Certificate GIA 6194954327

Diamond specifications and retailer prices

From $111,935 USD
As of October 29, 2026
Save $80,313 USD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $192,248 USD at MOH London · As of October 29, 2026
View at MOH London

About this 5.15ct natural oval diamond

This 5.15ct natural oval sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6194954327. Listed at 7 retailers as of October 29, 2026, with prices from $111,935 to $192,248, a $80,313 spread on the same certified stone. MOH London lists it at $192,248. 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

5.15
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6194954327
Dimensions13.49 × 9.39 × 5.71 mm
L/W Ratio1.44
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
13.49 mm9.39 mm5.15 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6194954327
Side View
Table 56.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $192,248 USD|Low: $106,870 USD|High: $201,908 USD|Avg: $130,192 USD|-4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7$106,870 USD
Retailer 6$111,935 USD
Retailer 5$114,083 USD
Retailer 4$117,776 USD
Retailer 2$122,411 USD
Retailer 3$144,120 USD
MOH London$192,248 USD

35 data points across 7 retailers

7 retailers$111,935 USD to $192,248 USD

Retailer 1
-
$106,870 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$111,935 USD
View
Retailer 3
-
$114,083 USD
A$175,512 AUD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$117,776 USD
View
Final sale: no returns
A
Retailer 5
-
$122,411 USD
£96,386 GBP
View
B+
Retailer 6
-
$144,120 USD
€137,257 EUR
View
Most Expensive
B
MOH London
7819A44C4 · Oct 29
$192,248 USD
£151,376 GBP
View
6 more retailers have this diamond
Prices start from $111,935 USDSave up to $80,313 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.

A
5.15ct Oval
$111,935 USD