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 €121 EUR
$135 USD
As of October 28, 2026
Save €602 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €723 EUR 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 €121 to €723, a €602 spread on the same certified stone. MOH London lists it at €723. 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
Colour
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: €723 EUR|Low: €119 EUR|High: €726 EUR|Avg: €288 EUR|+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 31, 2026
Retailer 7€121 EUR
Retailer 4€124 EUR
Retailer 13€140 EUR
Retailer 8€144 EUR
Retailer 10€155 EUR
Retailer 12€155 EUR
Retailer 6€238 EUR
Retailer 11€288 EUR
Retailer 2€305 EUR
Retailer 9€349 EUR
Retailer 5€497 EUR
Retailer 3€547 EUR
MOH London€723 EUR

42 data points across 13 retailers

14 retailers€121 EUR to €723 EUR

A
Cheapest Retailer
-
€121 EUR
$135 USD
A
Retailer 2
-
€124 EUR
$139 USD
View
A
Retailer 3
-
€140 EUR
$156 USD
View
Final sale: no returns
A
Retailer 4
-
€144 EUR
$161 USD
View
A
Retailer 5
-
€155 EUR
$173 USD
View
A
Retailer 6
-
€155 EUR
$173 USD
View
B
Retailer 7
-
€238 EUR
£209 GBP
View
B
Retailer 8
-
€288 EUR
$322 USD
View
B
Retailer 9
-
€305 EUR
View
B
Retailer 10
-
€335 EUR
£295 GBP
View
B
Retailer 11
-
€349 EUR
$390 USD
View
B
Retailer 12
-
€497 EUR
$555 USD
View
B
Retailer 13
-
€547 EUR
$611 USD
View
Most Expensive
B
MOH London
5453808362 · Oct 26
€723 EUR
£636 GBP
View
13 more retailers have this diamond
Prices start from €121 EURSave up to €602 EUR

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
€121 EUR