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 $250 USD
As of October 31, 2026
Save $883 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,133 USD 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 $250 to $1,133, a $883 spread on the same certified stone. NZ Jewellers lists it at $1,133. 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
Color
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: $1,133 USD|Low: $250 USD|High: $1,133 USD|Avg: $444 USD
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
October 30, 2026
Retailer 13$250 USD
Retailer 12$260 USD
Retailer 10$269 USD
Retailer 11$279 USD
Retailer 4$337 USD
Retailer 9$343 USD
Retailer 3$380 USD
Retailer 2$388 USD
Retailer 5$428 USD
Retailer 7$494 USD
Retailer 6$508 USD
Retailer 8$580 USD
NZ Jewellers$1,133 USD

19 data points across 13 retailers

13 retailers$250 USD to $1,133 USD

B+
Cheapest Retailer
-
$250 USD
Retailer 2
-
$260 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$269 USD
View
B+
Retailer 4
-
$279 USD
View
B+
Retailer 5
-
$337 USD
View
B+
Retailer 6
-
$343 USD
£270 GBP
View
B+
Retailer 7
-
$380 USD
View
B+
Retailer 8
-
$388 USD
ZAR 6,262 ZAR
View
B+
Retailer 9
-
$428 USD
View
B+
Retailer 10
-
$494 USD
€470 EUR
View
B+
Retailer 11
-
$508 USD
£400 GBP
View
B
Retailer 12
-
$580 USD
£457 GBP
View
Most Expensive
C
NZ Jewellers
a7199c13-524d-486c-a512-59c5c3c36286 · Oct 30
$1,133 USD
View
12 more retailers have this diamond
Prices start from $250 USDSave up to $883 USD

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
$250 USD