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Round|Natural|GIA

1.70ct E IF Round Natural Diamond

EX • E/IF • GIA 2557156383

Certificate GIA 2557156383

Diamond specifications and retailer prices

From $27,919 AUD
€18,700 EUR
As of October 28, 2026
Save $20,246 AUD (42%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $48,165 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2557156383. Listed at 27 retailers as of October 28, 2026, with prices from $27,919 to $48,165, a $20,246 spread on the same certified stone. MOH London lists it at $48,165. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557156383
Dimensions7.83 × 7.84 × 4.64 mm
L/W Ratio1.00
Top View
7.83 mm7.84 mm1.70 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557156383
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $48,165 AUD|Low: $25,529 AUD|High: $50,171 AUD|Avg: $34,824 AUD|-2.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 5$27,919 AUD
Retailer 19$28,151 AUD
Retailer 4$28,201 AUD
Retailer 15$28,412 AUD
Retailer 16$29,142 AUD
Retailer 3$29,396 AUD
Retailer 6$29,595 AUD
Retailer 2$30,675 AUD
Retailer 12$31,280 AUD
Retailer 8$31,535 AUD
Retailer 13$31,815 AUD
Retailer 11$32,776 AUD
Retailer 14$33,231 AUD
Retailer 17$33,826 AUD
Retailer 9$34,851 AUD
Retailer 10$36,896 AUD
Retailer 18$36,965 AUD
Retailer 7$44,828 AUD
MOH London$48,165 AUD

38 data points across 19 retailers

27 retailers$27,919 AUD to $48,165 AUD

A
Cheapest Retailer
-
$27,919 AUD
€18,700 EUR
A
Retailer 2
-
$28,151 AUD
$19,798 USD
View
A
Retailer 3
-
$28,201 AUD
$19,833 USD
View
A
Retailer 4
-
$28,412 AUD
$19,982 USD
View
A
Retailer 5
-
$29,142 AUD
$20,495 USD
View
A
Retailer 6
-
$29,396 AUD
$20,674 USD
View
Final sale: no returns
A
Retailer 7
-
$29,595 AUD
$20,814 USD
View
A
Retailer 8
-
$30,675 AUD
$21,573 USD
View
A
Retailer 9
-
$31,280 AUD
£17,322 GBP
View
A
Retailer 10
-
$31,535 AUD
$22,178 USD
View
A
Retailer 11
-
$31,815 AUD
$22,375 USD
View
A
Retailer 12
-
$32,776 AUD
View
Price last confirmed 25 days ago
A
Retailer 13
-
$33,231 AUD
$23,371 USD
View
A
Retailer 14
-
$33,826 AUD
£18,732 GBP
View
A
Retailer 15
-
$33,923 AUD
$23,857 USD
View
A
Retailer 16
-
$34,387 AUD
$24,184 USD
View
Price last confirmed 35 days ago
A
Retailer 17
-
$34,387 AUD
$24,184 USD
View
Price last confirmed 30 days ago
A
Retailer 18
-
$34,851 AUD
$24,510 USD
View
A
Retailer 19
-
$35,437 AUD
$24,922 USD
View
B+
Retailer 20
-
$35,710 AUD
$25,114 USD
View
Price last confirmed 37 days ago
B+
Retailer 21
-
$35,710 AUD
$25,114 USD
View
Price last confirmed 31 days ago
B+
Retailer 22
-
$36,896 AUD
$25,948 USD
View
A
Retailer 23
-
$36,965 AUD
€24,759 EUR
View
B+
Retailer 24
-
$44,828 AUD
ZAR 509,316 ZAR
View
B+
Retailer 25
-
$44,968 AUD
$31,625 USD
View
Price last confirmed 37 days ago
B+
Retailer 26
-
$44,968 AUD
$31,625 USD
View
Price last confirmed 31 days ago
Most Expensive
B+
MOH London
C97D62C34 · Oct 29
$48,165 AUD
£26,672 GBP
View
26 more retailers have this diamond
Prices start from $27,919 AUDSave up to $20,246 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.

A
1.70ct Round
$27,919 AUD