Round|Lab Grown|IGI

1.37ct H SI2 Round Lab Grown Diamond

VG • H/SI2 • IGI LG395935572

Shape and cutting style on the report: Round brilliant

Certificate IGI LG395935572

Diamond specifications and retailer prices

From $2,233 NZD
As of November 1, 2026
Save $4,415 NZD (66%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,648 NZD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 1.37ct lab-grown round diamond

This 1.37ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG395935572 or 395935572. Listed at 3 retailers as of November 1, 2026, with prices from $2,233 to $6,648, a $4,415 spread on the same certified stone. The Diamond Guys lists it at $6,648. 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

1.37
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG395935572
Dimensions7.31 × 7.32 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeVery Small Faceted
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) and is type IIa
Top View
7.31 mm7.32 mm1.37 ctH / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG395935572
Side View
Table 61.0%Crown 32.5°GirdlePavilion 40.2°Culet: VERDepth 57.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,233 NZD|Low: $2,188 NZD|High: $6,648 NZD|Avg: $3,533 NZD|+2.0%
Retailer 1
Retailer 2
The Diamond Guys
November 2, 2026
Retailer 1$2,233 NZD
Retailer 2$2,521 NZD
The Diamond Guys$6,648 NZD

4 data points across 3 retailers

3 retailers$2,233 NZD to $6,648 NZD

B
Cheapest Retailer
-
$2,233 NZD
B
Retailer 2
-
$2,521 NZD
View
Most Expensive
C
The Diamond Guys
1998851522 · Nov 2
$6,648 NZD
$3,737 USD
View
2 more retailers have this diamond
Prices start from $2,233 NZDSave up to $4,415 NZD

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
1.37ct Round
$2,233 NZD