CaratHunter
Plans
Princess|Natural|GIA

1.51ct D SI1 Princess Natural Diamond

EX • D/SI1 • GIA 2101878810

Certificate GIA 2101878810

Diamond specifications and retailer prices

From $12,374 SGD
$9,679 USD
As of October 31, 2026
Save $4,264 SGD (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $16,638 SGD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded D 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 2101878810. Listed at 6 retailers as of October 31, 2026, with prices from $12,374 to $16,638, a $4,264 spread on the same certified stone. 77 Diamonds lists it at $16,638. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2101878810
Dimensions6.41 × 6.19 × 4.57 mm
L/W Ratio1.04
Top View
6.41 mm6.19 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2101878810
Side View
Table 74.0%CrownGirdle: ThickPavilionCuletDepth 73.8%

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: Oct 31
Current: $16,638 SGD|Low: $12,260 SGD|High: $16,746 SGD|Avg: $14,792 SGD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$12,374 SGD
Retailer 2$15,410 SGD
77 Diamonds$16,638 SGD

35 data points across 3 retailers

6 retailers$12,374 SGD to $16,638 SGD

B
Cheapest Retailer
-
$12,374 SGD
$9,679 USD
B
Retailer 2
-
$13,451 SGD
A$16,187 AUD
View
B
Retailer 3
-
$13,663 SGD
$10,688 USD
View
B
Retailer 4
-
$15,410 SGD
$12,054 USD
View
Retailer 5
-
$15,410 SGD
$12,054 USD
View
Price last confirmed 11 days ago
Most Expensive
B
77 Diamonds
PRIZRWWRKQXJ · Nov 1
$16,638 SGD
£10,248 GBP
View
5 more retailers have this diamond
Prices start from $12,374 SGDSave up to $4,264 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
1.51ct Princess
$12,374 SGD