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Round|Natural|IGI

0.37ct H SI1 Round Natural Diamond

GD • H/SI1 • IGI 839657526

Shape and cutting style on the report: Round brilliant

Certificate IGI 839657526

Diamond specifications and retailer prices

From $356 AUD
$250 USD
As of October 31, 2026
Save $1,257 AUD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,613 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.37ct natural round diamond

This 0.37ct natural round sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 839657526. Listed at 13 retailers as of October 30, 2026, with prices from $356 to $1,613, a $1,257 spread on the same certified stone. NZ Jewellers lists it at $1,613. 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

0.37
Carat
H
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 839657526
Dimensions4.66 × 4.73 × 2.89 mm
L/W Ratio1.02
Culet sizeNone
Top View
4.66 mm4.73 mm0.37 ctH / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 839657526
Side View
Table 54.0%Crown 34.6°Girdle: ETN-THNPavilion 41.4°Culet: NoneDepth 61.8%

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: Oct 31
Current: $1,613 AUD|Low: $356 AUD|High: $1,613 AUD|Avg: $632 AUD
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
November 1, 2026
Retailer 13$356 AUD
Retailer 12$370 AUD
Retailer 10$383 AUD
Retailer 11$397 AUD
Retailer 4$480 AUD
Retailer 9$488 AUD
Retailer 3$541 AUD
Retailer 8$552 AUD
Retailer 5$609 AUD
Retailer 6$697 AUD
Retailer 2$720 AUD
Retailer 7$823 AUD
NZ Jewellers$1,613 AUD

20 data points across 13 retailers

13 retailers$356 AUD to $1,613 AUD

B+
Cheapest Retailer
-
$356 AUD
$250 USD
Retailer 2
-
$370 AUD
$260 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$383 AUD
$269 USD
View
B+
Retailer 4
-
$397 AUD
$279 USD
View
B+
Retailer 5
-
$480 AUD
$337 USD
View
B+
Retailer 6
-
$488 AUD
£270 GBP
View
B+
Retailer 7
-
$541 AUD
$380 USD
View
B+
Retailer 8
-
$552 AUD
ZAR 6,262 ZAR
View
B+
Retailer 9
-
$609 AUD
$428 USD
View
B+
Retailer 10
-
$697 AUD
€466 EUR
View
B+
Retailer 11
-
$720 AUD
£399 GBP
View
B
Retailer 12
-
$823 AUD
£455 GBP
View
Most Expensive
C
NZ Jewellers
a7199c13-524d-486c-a512-59c5c3c36286 · Oct 30
$1,613 AUD
$1,133 USD
View
12 more retailers have this diamond
Prices start from $356 AUDSave up to $1,257 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+
0.37ct Round
$356 AUD