CaratHunter
Plans
Oval|Lab Grown|GCAL

0.37ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • GCAL 312570085

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 312570085

Diamond specifications and retailer prices

From $174 USD
As of October 28, 2026
Save $440 USD (72%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $614 USD at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 0.37ct lab-grown oval diamond

This 0.37ct lab-grown oval sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 312570085. Listed at 4 retailers as of October 28, 2026, with prices from $174 to $614, a $440 spread on the same certified stone. Taylor and Hart lists it at $614. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.37
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle42°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 312570085
Dimensions6.07 × 3.91 × 2.45 mm
L/W Ratio1.55
Culet sizeNone
Top View
6.07 mm3.91 mm0.37 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 312570085
Side View
Table 65.0%Crown 36°GirdlePavilion 42°Culet: NoneDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $1,139 USD|Low: $174 USD|High: $1,180 USD|Avg: $575 USD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 26, 2026
Retailer 3$174 USD
Retailer 2$342 USD
Taylor and Hart$614 USD
Retailer 1$1,139 USD

11 data points across 4 retailers

4 retailers$174 USD to $614 USD

A
Cheapest Retailer
-
$174 USD
B
Retailer 2
-
$342 USD
CA$475 CAD
View
Most Expensive
B
Taylor and Hart
O2G7PVH · Oct 29
$614 USD
View
2 more retailers have this diamond
Prices start from $174 USDSave up to $440 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.

A
0.37ct Oval
$174 USD