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Marquise|Natural|GIA

0.78ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1172107165

Certificate GIA 1172107165

Diamond specifications and retailer prices

From $2,948 SGD
$2,300 USD
As of October 28, 2026
Save $3,347 SGD (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,295 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-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 1172107165. Listed at 5 retailers as of October 26, 2026, with prices from $2,948 to $6,295, a $3,347 spread on the same certified stone. MOH London lists it at $6,295. 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

0.78
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1172107165
Dimensions8.06 × 4.45 × 3.56 mm
L/W Ratio1.81
Culet sizeNone
Top View
8.06 mm4.45 mm0.78 ctE / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 1172107165
Side View
Table 58.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 80.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $6,295 SGD|Low: $2,948 SGD|High: $6,361 SGD|Avg: $4,045 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 3$2,948 SGD
Retailer 4$3,026 SGD
Retailer 7$3,223 SGD
Retailer 8$3,838 SGD
Retailer 5$4,004 SGD
Retailer 2$4,195 SGD
Retailer 6$4,827 SGD
MOH London$6,295 SGD

21 data points across 8 retailers

5 retailers$2,948 SGD to $6,295 SGD

B+
Cheapest Retailer
-
$2,948 SGD
$2,300 USD
B+
Retailer 2
-
$3,026 SGD
$2,361 USD
View
B
Retailer 3
-
$4,004 SGD
A$4,806 AUD
View
Price last confirmed 29 days ago
B
Retailer 4
-
$4,195 SGD
€3,117 EUR
View
Most Expensive
B
MOH London
3FAA954E6 · Oct 26
$6,295 SGD
£3,867 GBP
View
4 more retailers have this diamond
Prices start from $2,948 SGDSave up to $3,347 SGD

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+
0.78ct Marquise
$2,948 SGD