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1.03ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG800630464

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800630464

Diamond specifications and retailer prices

From $240 NZD
As of November 1, 2026
Save $2,252 NZD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,492 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG800630464 or 800630464. Listed at 15 retailers as of November 1, 2026, with prices from $240 to $2,492, a $2,252 spread on the same certified stone. MOH London lists it at $2,492. 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

1.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800630464
Dimensions6.48 × 6.53 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.48 mm6.53 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800630464
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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: Nov 1
Current: $2,492 NZD|Low: $240 NZD|High: $2,505 NZD|Avg: $630 NZD|+65.1%
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
November 2, 2026
Retailer 7$240 NZD
Retailer 4$270 NZD
Retailer 14$279 NZD
Retailer 3$299 NZD
Retailer 11$299 NZD
Retailer 12$502 NZD
Retailer 9$503 NZD
Retailer 2$528 NZD
Retailer 6$560 NZD
Retailer 8$589 NZD
Retailer 10$712 NZD
Retailer 15$738 NZD
Retailer 13$959 NZD
Retailer 5$1,014 NZD
MOH London$2,492 NZD

31 data points across 15 retailers

15 retailers$240 NZD to $2,492 NZD

A
Cheapest Retailer
-
$240 NZD
A
Retailer 2
-
$270 NZD
View
Final sale: no returns
A
Retailer 3
-
$279 NZD
View
Retailer 4
-
$299 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$299 NZD
View
A
Retailer 6
-
$502 NZD
View
A
Retailer 7
-
$503 NZD
View
A
Retailer 8
-
$528 NZD
View
A
Retailer 9
-
$560 NZD
View
A
Retailer 10
-
$589 NZD
View
B+
Retailer 11
-
$712 NZD
View
B+
Retailer 12
-
$738 NZD
View
B+
Retailer 13
-
$959 NZD
View
B
Retailer 14
-
$1,014 NZD
View
Most Expensive
C
MOH London
LG800630464 · Nov 2
$2,492 NZD
£1,103 GBP
View
14 more retailers have this diamond
Prices start from $240 NZDSave up to $2,252 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
1.03ct Round
$240 NZD