Round|Lab Grown|GIA

0.31ct D SI1 Round Lab Grown Diamond

VG • D/SI1 • GIA 5453808362

Certificate GIA 5453808362

Diamond specifications and retailer prices

From $135 USD
As of October 28, 2026
Save $673 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $808 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.31ct lab-grown round diamond

This 0.31ct lab-grown round sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5453808362. Listed at 14 retailers as of October 26, 2026, with prices from $135 to $808, a $673 spread on the same certified stone. MOH London lists it at $808. 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

0.31
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginLab Grown
Grading LabGIA
CertificateGIA 5453808362
Dimensions4.34 × 4.31 × 2.73 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.34 mm4.31 mm0.31 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5453808362
Side View
Table 57.0%Crown 35°Girdle: ThickPavilion 41.4°Culet: NoneDepth 63.1%

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: $808 USD|Low: $133 USD|High: $812 USD|Avg: $320 USD|+0.8%
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
October 29, 2026
Retailer 7$135 USD
Retailer 4$139 USD
Retailer 13$156 USD
Retailer 8$161 USD
Retailer 10$173 USD
Retailer 12$173 USD
Retailer 2$265 USD
Retailer 11$322 USD
Retailer 6$341 USD
Retailer 9$390 USD
Retailer 5$555 USD
Retailer 3$611 USD
MOH London$808 USD

42 data points across 13 retailers

14 retailers$135 USD to $808 USD

A
Cheapest Retailer
-
$135 USD
A
Retailer 2
-
$139 USD
View
A
Retailer 3
-
$156 USD
View
Final sale: no returns
A
Retailer 4
-
$161 USD
View
A
Retailer 5
-
$173 USD
View
A
Retailer 6
-
$173 USD
View
B
Retailer 7
-
$265 USD
£208 GBP
View
B
Retailer 8
-
$322 USD
View
B
Retailer 9
-
$341 USD
€325 EUR
View
B
Retailer 10
-
$375 USD
£295 GBP
View
B
Retailer 11
-
$390 USD
View
B
Retailer 12
-
$555 USD
View
B
Retailer 13
-
$611 USD
View
Most Expensive
B
MOH London
5453808362 · Oct 26
$808 USD
£636 GBP
View
13 more retailers have this diamond
Prices start from $135 USDSave up to $673 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
0.31ct Round
$135 USD