CaratHunter
Plans
Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6412487272

Certificate GIA 6412487272

Diamond specifications and retailer prices

From $2,481 SGD
$1,941 USD
As of November 1, 2026
Save $2,829 SGD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,311 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded I 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 6412487272. Listed at 19 retailers as of November 1, 2026, with prices from $2,481 to $5,311, a $2,829 spread on the same certified stone. MOH London lists it at $5,311. 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

0.81
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6412487272
Dimensions5.22 × 5.18 × 3.51 mm
L/W Ratio1.01
Top View
5.22 mm5.18 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6412487272
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,311 SGD|Low: $2,323 SGD|High: $5,374 SGD|Avg: $3,434 SGD|-1.1%
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 2, 2026
Retailer 3$2,481 SGD
Retailer 8$2,512 SGD
Retailer 12$2,534 SGD
Retailer 4$2,649 SGD
Retailer 11$2,681 SGD
Retailer 5$2,746 SGD
Retailer 10$3,114 SGD
Retailer 7$3,327 SGD
Retailer 13$3,732 SGD
Retailer 6$3,784 SGD
Retailer 2$3,821 SGD
Retailer 9$4,514 SGD
MOH London$5,311 SGD

39 data points across 13 retailers

19 retailers$2,481 SGD to $5,311 SGD

B
Cheapest Retailer
-
$2,481 SGD
$1,941 USD
B
Retailer 2
-
$2,512 SGD
$1,965 USD
View
B
Retailer 3
-
$2,534 SGD
$1,982 USD
View
Final sale: no returns
B
Retailer 4
-
$2,649 SGD
$2,072 USD
View
B
Retailer 5
-
$2,681 SGD
$2,097 USD
View
Retailer 6
-
$2,746 SGD
$2,148 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,774 SGD
$2,170 USD
View
B
Retailer 8
-
$2,817 SGD
$2,204 USD
View
B
Retailer 9
-
$3,055 SGD
$2,390 USD
View
B
Retailer 10
-
$3,055 SGD
$2,390 USD
View
B
Retailer 11
-
$3,114 SGD
$2,436 USD
View
B
Retailer 12
-
$3,158 SGD
$2,470 USD
View
B
Retailer 13
-
$3,327 SGD
£2,049 GBP
View
B
Retailer 14
-
$3,515 SGD
$2,750 USD
View
Retailer 15
-
$3,732 SGD
A$4,491 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
$3,784 SGD
€2,819 EUR
View
B
Retailer 17
-
$3,821 SGD
£2,354 GBP
View
B
Retailer 18
-
$4,514 SGD
ZAR 57,048 ZAR
View
Most Expensive
B
MOH London
68F618614 · Nov 1
$5,311 SGD
£3,271 GBP
View
18 more retailers have this diamond
Prices start from $2,481 SGDSave up to $2,829 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
0.81ct Heart
$2,481 SGD