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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 $192 AUD
$135 USD
As of October 28, 2026
Save $957 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,148 AUD 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 $192 to $1,148, a $957 spread on the same certified stone. MOH London lists it at $1,148. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,148 AUD|Low: $189 AUD|High: $1,154 AUD|Avg: $453 AUD|+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$192 AUD
Retailer 4$198 AUD
Retailer 13$222 AUD
Retailer 8$229 AUD
Retailer 10$246 AUD
Retailer 12$246 AUD
Retailer 2$376 AUD
Retailer 11$458 AUD
Retailer 6$485 AUD
Retailer 9$555 AUD
Retailer 5$789 AUD
Retailer 3$868 AUD
MOH London$1,148 AUD

43 data points across 13 retailers

14 retailers$192 AUD to $1,148 AUD

A
Cheapest Retailer
-
$192 AUD
$135 USD
A
Retailer 2
-
$198 AUD
$139 USD
View
A
Retailer 3
-
$222 AUD
$156 USD
View
Final sale: no returns
A
Retailer 4
-
$229 AUD
$161 USD
View
A
Retailer 5
-
$246 AUD
$173 USD
View
A
Retailer 6
-
$246 AUD
$173 USD
View
B
Retailer 7
-
$376 AUD
£208 GBP
View
B
Retailer 8
-
$458 AUD
$322 USD
View
B
Retailer 9
-
$485 AUD
€325 EUR
View
B
Retailer 10
-
$533 AUD
£295 GBP
View
B
Retailer 11
-
$555 AUD
$390 USD
View
B
Retailer 12
-
$789 AUD
$555 USD
View
B
Retailer 13
-
$868 AUD
$611 USD
View
Most Expensive
B
MOH London
5453808362 · Oct 26
$1,148 AUD
£636 GBP
View
13 more retailers have this diamond
Prices start from $192 AUDSave up to $957 AUD

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
$192 AUD