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Marquise|Natural|GIA

1.70ct I SI2 Marquise Natural Diamond

VG • I/SI2 • GIA 7561562385

Certificate GIA 7561562385

Diamond specifications and retailer prices

From $10,681 AUD
SGD 10,139 SGD
As of November 1, 2026
Save $6,657 AUD (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,338 AUD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7561562385. Listed at 12 retailers as of November 1, 2026, with prices from $10,681 to $17,338, a $6,657 spread on the same certified stone. Helzberg Diamonds lists it at $17,338. 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

1.70
Carat
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561562385
Dimensions11.35 × 6.11 × 4.00 mm
L/W Ratio1.86
Top View
11.35 mm6.11 mm1.70 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561562385
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NDepth 65.6%

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: Nov 1
Current: $17,338 AUD|Low: $10,681 AUD|High: $17,338 AUD|Avg: $12,956 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$10,681 AUD
Retailer 6$11,547 AUD
Retailer 9$11,753 AUD
Retailer 10$11,914 AUD
Retailer 4$12,069 AUD
Retailer 8$12,101 AUD
Retailer 11$13,736 AUD
Retailer 7$13,864 AUD
Retailer 2$14,153 AUD
Retailer 5$15,745 AUD
Helzberg Diamonds$17,338 AUD

7 data points across 11 retailers

12 retailers$10,681 AUD to $17,338 AUD

B+
Cheapest Retailer
-
$10,681 AUD
SGD 10,139 SGD
B+
Retailer 2
-
$11,547 AUD
$8,111 USD
View
B+
Retailer 3
-
$11,562 AUD
SGD 10,975 SGD
View
B+
Retailer 4
-
$11,753 AUD
$8,256 USD
View
B+
Retailer 5
-
$11,914 AUD
$8,369 USD
View
B+
Retailer 6
-
$12,069 AUD
£6,675 GBP
View
B+
Retailer 7
-
$12,101 AUD
$8,500 USD
View
B
Retailer 8
-
$13,736 AUD
$9,649 USD
View
B
Retailer 9
-
$13,864 AUD
$9,739 USD
View
B
Retailer 10
-
$14,153 AUD
€9,468 EUR
View
B
Retailer 11
-
$15,745 AUD
$11,060 USD
View
Most Expensive
B
Helzberg Diamonds
XZRNLMHLMIJOL · Nov 1
$17,338 AUD
$12,179 USD
View
11 more retailers have this diamond
Prices start from $10,681 AUDSave up to $6,657 AUD

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+
1.70ct Marquise
$10,681 AUD