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Emerald|Natural|GIA

0.51ct H SI1 Emerald Natural Diamond

EX • H/SI1 • GIA 6542465909

Certificate GIA 6542465909

Diamond specifications and retailer prices

From $538 SGD
$421 USD
As of October 29, 2026
Save $817 SGD (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,356 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542465909. Listed at 16 retailers as of October 29, 2026, with prices from $538 to $1,356, a $817 spread on the same certified stone. MOH London lists it at $1,356. 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

0.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542465909
Dimensions5.27 × 3.84 × 2.62 mm
L/W Ratio1.37
Top View
5.27 mm3.84 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542465909
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NDepth 68.3%

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 29
Current: $1,356 SGD|Low: $504 SGD|High: $2,282 SGD|Avg: $889 SGD|-6.5%
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
Retailer 17
October 31, 2026
Retailer 4$538 SGD
Retailer 17$584 SGD
Retailer 5$629 SGD
Retailer 13$629 SGD
Retailer 16$674 SGD
Retailer 9$694 SGD
Retailer 11$727 SGD
Retailer 12$732 SGD
Retailer 14$837 SGD
Retailer 8$842 SGD
Retailer 15$850 SGD
Retailer 7$862 SGD
Retailer 2$883 SGD
Retailer 10$901 SGD
Retailer 6$954 SGD
MOH London$1,356 SGD
Retailer 3$2,238 SGD

39 data points across 17 retailers

16 retailers$538 SGD to $1,356 SGD

A
Cheapest Retailer
-
$538 SGD
$421 USD
Final sale: no returns
A
Retailer 2
-
$584 SGD
$457 USD
View
B+
Retailer 3
-
$629 SGD
$492 USD
View
A
Retailer 4
-
$629 SGD
$492 USD
View
B+
Retailer 5
-
$674 SGD
$527 USD
View
B+
Retailer 6
-
$727 SGD
£448 GBP
View
B+
Retailer 7
-
$732 SGD
£451 GBP
View
B
Retailer 8
-
$837 SGD
$655 USD
View
Retailer 9
-
$842 SGD
$659 USD
View
Price last confirmed 16 days ago
B
Retailer 10
-
$850 SGD
$665 USD
View
B
Retailer 11
-
$862 SGD
$674 USD
View
B+
Retailer 12
-
$883 SGD
€658 EUR
View
B
Retailer 13
-
$901 SGD
ZAR 11,389 ZAR
View
Retailer 14
-
$954 SGD
A$1,148 AUD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
ABBE5E4C0 · Oct 29
$1,356 SGD
£835 GBP
View
14 more retailers have this diamond
Prices start from $538 SGDSave up to $817 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.

A
0.51ct Emerald
$538 SGD