Oval|Natural|GIA

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 6565186595

Certificate GIA 6565186595

Diamond specifications and retailer prices

From $6,705 SGD
$5,245 USD
As of October 28, 2026
Save $8,285 SGD (55%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $14,991 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two 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 6565186595. Listed at 31 retailers as of October 28, 2026, with prices from $6,705 to $14,991, a $8,285 spread on the same certified stone. NZ Jewellers lists it at $14,991. 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

1.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565186595
Dimensions8.99 × 6.39 × 3.98 mm
L/W Ratio1.41
Key to symbols
Feather, Crystal, Cloud, Needle, Indented Natural, Natural
Top View
8.99 mm6.39 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565186595
Side View
Table 62.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 62.3%

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 28
Current: $14,991 SGD|Low: $6,705 SGD|High: $14,991 SGD|Avg: $8,855 SGD
NZ Jewellers
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
Retailer 30
Retailer 31
November 1, 2026
Retailer 6$6,705 SGD
Retailer 21$6,811 SGD
Retailer 7$7,002 SGD
Retailer 11$7,082 SGD
Retailer 4$7,087 SGD
Retailer 8$7,176 SGD
Retailer 14$7,494 SGD
Retailer 10$7,549 SGD
Retailer 16$7,772 SGD
Retailer 19$7,954 SGD
Retailer 9$7,999 SGD
Retailer 3$8,119 SGD
Retailer 30$8,119 SGD
Retailer 31$8,119 SGD
Retailer 29$8,269 SGD
Retailer 15$8,436 SGD
Retailer 22$8,445 SGD
Retailer 2$8,505 SGD
Retailer 24$8,595 SGD
Retailer 5$8,699 SGD
Retailer 20$8,872 SGD
Retailer 18$9,038 SGD
Retailer 23$9,038 SGD
Retailer 12$9,170 SGD
Retailer 27$9,220 SGD
Retailer 25$9,332 SGD
Retailer 28$9,369 SGD
Retailer 26$11,012 SGD
Retailer 17$12,994 SGD
Retailer 13$13,204 SGD
NZ Jewellers$14,991 SGD

33 data points across 31 retailers

31 retailers$6,705 SGD to $14,991 SGD

A
Cheapest Retailer
-
$6,705 SGD
$5,245 USD
A
Retailer 2
-
$6,811 SGD
$5,328 USD
View
B+
Retailer 3
-
$7,002 SGD
$5,477 USD
View
B+
Retailer 4
-
$7,082 SGD
$5,540 USD
View
B+
Retailer 5
-
$7,087 SGD
$5,544 USD
View
B+
Retailer 6
-
$7,176 SGD
$5,613 USD
View
B+
Retailer 7
-
$7,494 SGD
$5,862 USD
View
Final sale: no returns
B+
Retailer 8
-
$7,549 SGD
$5,905 USD
View
B+
Retailer 9
-
$7,772 SGD
CA$8,443 CAD
View
B+
Retailer 10
-
$7,954 SGD
$6,222 USD
View
B+
Retailer 11
-
$7,999 SGD
$6,257 USD
View
B+
Retailer 12
-
$8,119 SGD
$6,351 USD
View
B+
Retailer 13
-
$8,119 SGD
$6,351 USD
View
B+
Retailer 14
-
$8,119 SGD
$6,351 USD
View
B+
Retailer 15
-
$8,269 SGD
$6,468 USD
View
B+
Retailer 16
-
$8,436 SGD
$6,599 USD
View
B+
Retailer 17
-
$8,445 SGD
$6,606 USD
View
B+
Retailer 18
-
$8,505 SGD
£5,238 GBP
View
B+
Retailer 19
-
$8,595 SGD
£5,294 GBP
View
Retailer 20
-
$8,699 SGD
A$10,469 AUD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$8,872 SGD
$6,940 USD
View
B
Retailer 22
-
$9,038 SGD
$7,070 USD
View
B
Retailer 23
-
$9,038 SGD
$7,070 USD
View
B
Retailer 24
-
$9,170 SGD
$7,173 USD
View
B
Retailer 25
-
$9,220 SGD
€6,869 EUR
View
B
Retailer 26
-
$9,332 SGD
$7,300 USD
View
B
Retailer 27
-
$9,369 SGD
$7,329 USD
View
B
Retailer 28
-
$11,012 SGD
ZAR 139,157 ZAR
View
Retailer 29
-
$12,994 SGD
$10,164 USD
View
Price last confirmed 9 days ago
B
Retailer 30
-
$13,204 SGD
£8,133 GBP
View
Most Expensive
C
NZ Jewellers
927a22e0-5234-4c1d-a049-04fa05b1346b · Oct 30
$14,991 SGD
$11,726 USD
View
30 more retailers have this diamond
Prices start from $6,705 SGDSave up to $8,285 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
1.50ct Oval
$6,705 SGD