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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 $240 NZD
$135 USD
As of October 28, 2026
Save $1,194 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,433 NZD 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 $240 to $1,433, a $1,194 spread on the same certified stone. MOH London lists it at $1,433. 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: $1,433 NZD|Low: $236 NZD|High: $1,440 NZD|Avg: $570 NZD|+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$240 NZD
Retailer 4$247 NZD
Retailer 13$277 NZD
Retailer 8$286 NZD
Retailer 10$307 NZD
Retailer 12$307 NZD
Retailer 6$471 NZD
Retailer 11$571 NZD
Retailer 2$604 NZD
Retailer 9$692 NZD
Retailer 5$985 NZD
Retailer 3$1,083 NZD
MOH London$1,433 NZD

43 data points across 13 retailers

14 retailers$240 NZD to $1,433 NZD

A
Cheapest Retailer
-
$240 NZD
$135 USD
A
Retailer 2
-
$247 NZD
$139 USD
View
A
Retailer 3
-
$277 NZD
$156 USD
View
Final sale: no returns
A
Retailer 4
-
$286 NZD
$161 USD
View
A
Retailer 5
-
$307 NZD
$173 USD
View
A
Retailer 6
-
$307 NZD
$173 USD
View
B
Retailer 7
-
$471 NZD
£209 GBP
View
B
Retailer 8
-
$571 NZD
$322 USD
View
B
Retailer 9
-
$604 NZD
€324 EUR
View
B
Retailer 10
-
$665 NZD
£295 GBP
View
B
Retailer 11
-
$692 NZD
$390 USD
View
B
Retailer 12
-
$985 NZD
$555 USD
View
B
Retailer 13
-
$1,083 NZD
$611 USD
View
Most Expensive
B
MOH London
5453808362 · Oct 26
$1,433 NZD
£636 GBP
View
13 more retailers have this diamond
Prices start from $240 NZDSave up to $1,194 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.

A
0.31ct Round
$240 NZD