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0.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG681525642

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681525642

Diamond specifications and retailer prices

From $169 NZD
$95 USD
As of October 29, 2026
Save $1,370 NZD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,539 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 0.53ct lab-grown round diamond

This 0.53ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681525642 or 681525642. Listed at 16 retailers as of October 25, 2026, with prices from $169 to $1,539, a $1,370 spread on the same certified stone. MOH London lists it at $1,539. 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

0.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681525642
Dimensions5.20 × 5.25 × 3.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.20 mm5.25 mm0.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681525642
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.1%

Caratlytics Score

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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 29
Current: $1,539 NZD|Low: $131 NZD|High: $1,546 NZD|Avg: $541 NZD|+0.6%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 7$169 NZD
Retailer 11$176 NZD
Retailer 15$185 NZD
Retailer 10$209 NZD
Retailer 5$224 NZD
Retailer 3$293 NZD
Retailer 12$365 NZD
Retailer 14$417 NZD
Retailer 2$434 NZD
Retailer 16$461 NZD
Retailer 6$491 NZD
Retailer 8$621 NZD
Retailer 13$633 NZD
Retailer 9$739 NZD
Retailer 4$1,524 NZD
MOH London$1,539 NZD

42 data points across 16 retailers

16 retailers$169 NZD to $1,539 NZD

A
Cheapest Retailer
-
$169 NZD
$95 USD
A
Retailer 2
-
$176 NZD
$99 USD
View
Final sale: no returns
A
Retailer 3
-
$185 NZD
$104 USD
View
A
Retailer 4
-
$209 NZD
$118 USD
View
A
Retailer 5
-
$224 NZD
$126 USD
View
Retailer 6
-
$293 NZD
$165 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$365 NZD
£162 GBP
View
A
Retailer 8
-
$417 NZD
$235 USD
View
B+
Retailer 9
-
$434 NZD
€233 EUR
View
B+
Retailer 10
-
$461 NZD
$260 USD
View
B+
Retailer 11
-
$491 NZD
$277 USD
View
B+
Retailer 12
-
$621 NZD
$350 USD
View
B+
Retailer 13
-
$633 NZD
$357 USD
View
B+
Retailer 14
-
$739 NZD
$416 USD
View
B
Retailer 15
-
$1,524 NZD
$859 USD
View
Most Expensive
B
MOH London
LG681525642 · Oct 25
$1,539 NZD
£683 GBP
View
15 more retailers have this diamond
Prices start from $169 NZDSave up to $1,370 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
0.53ct Round
$169 NZD