Emerald|Natural|GIA

0.40ct H SI1 Emerald Natural Diamond

EX • H/SI1 • GIA 2566545790

Certificate GIA 2566545790

Diamond specifications and retailer prices

From $360 USD
As of October 29, 2026
Save $306 USD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $666 USD at Yorxs · As of October 28, 2026
View at Yorxs

About this 0.4ct natural emerald diamond

This 0.4ct natural emerald sits in the sub-half-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 2566545790. Listed at 11 retailers as of October 28, 2026, with prices from $360 to $666, a $306 spread on the same certified stone. Yorxs lists it at $666. 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

0.40
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566545790
Dimensions4.93 × 3.51 × 2.36 mm
L/W Ratio1.40
Culet sizeNone
Top View
4.93 mm3.51 mm0.40 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566545790
Side View
Table 70.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.3%

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 29
Current: $510 USD|Low: $360 USD|High: $666 USD|Avg: $473 USD|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
October 30, 2026
Retailer 6$360 USD
Retailer 8$382 USD
Retailer 3$385 USD
Retailer 5$437 USD
Retailer 2$491 USD
Retailer 7$496 USD
Retailer 1$510 USD
Retailer 4$534 USD
Retailer 9$572 USD
Yorxs$666 USD

22 data points across 10 retailers

11 retailers$360 USD to $666 USD

B+
Cheapest Retailer
-
$360 USD
B+
Retailer 2
-
$382 USD
SGD 516 SGD
View
B+
Retailer 3
-
$385 USD
View
B+
Retailer 4
-
$420 USD
SGD 568 SGD
View
B
Retailer 5
-
$437 USD
View
B+
Retailer 6
-
$491 USD
£386 GBP
View
B
Retailer 7
-
$496 USD
View
B
Retailer 8
-
$510 USD
£402 GBP
View
B
Retailer 9
-
$534 USD
View
B
Retailer 10
-
$572 USD
View
Most Expensive
B
Yorxs
621634032 · Oct 28
$666 USD
€634 EUR
View
10 more retailers have this diamond
Prices start from $360 USDSave up to $306 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+
0.40ct Emerald
$360 USD