CaratHunter
Plans
Heart|Natural|GIA

1.59ct G SI1 Heart Natural Diamond

VG • G/SI1 • GIA 1146798237

Certificate GIA 1146798237

Diamond specifications and retailer prices

From $9,506 SGD
$7,433 USD
As of November 2, 2026
Save $2,970 SGD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $12,476 SGD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.59ct natural heart diamond

This 1.59ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1146798237. Listed at 3 retailers as of November 2, 2026, with prices from $9,506 to $12,476, a $2,970 spread on the same certified stone. 77 Diamonds lists it at $12,476. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.59
Carat
G
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1146798237
Dimensions7.90 × 8.97 × 3.72 mm
L/W Ratio1.14
Top View
7.90 mm8.97 mm1.59 ctG / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 1146798237
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 41.5%

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 2
Current: $12,476 SGD|Low: $9,378 SGD|High: $12,582 SGD|Avg: $10,985 SGD|+1.8%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2$9,506 SGD
77 Diamonds$12,476 SGD

30 data points across 2 retailers

3 retailers$9,506 SGD to $12,476 SGD

B
Cheapest Retailer
-
$9,506 SGD
$7,433 USD
B
Retailer 2
-
$10,299 SGD
$8,053 USD
View
Most Expensive
C
77 Diamonds
HSZXJXZZMYA · Nov 2
$12,476 SGD
£7,681 GBP
View
2 more retailers have this diamond
Prices start from $9,506 SGDSave up to $2,970 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
1.59ct Heart
$9,506 SGD