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Radiant|Lab Grown|IGI

1.03ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG492135837

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG492135837

Diamond specifications and retailer prices

From $253 NZD
As of November 4, 2026
Save $2,165 NZD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,417 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG492135837 or 492135837. Listed at 27 retailers as of November 6, 2026, with prices from $253 to $2,417, a $2,165 spread on the same certified stone. Do Amore Diamonds lists it at $2,417. 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

1.03
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492135837
Dimensions7.35 × 4.96 × 3.33 mm
L/W Ratio1.48
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
7.35 mm4.96 mm1.03 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492135837
Side View
Table 59.5%Crown 35.3°Girdle: ThickPavilion 33.2°Culet: NoneDepth 67.1%

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: Nov 4
Current: $599 NZD|Low: $253 NZD|High: $1,840 NZD|Avg: $783 NZD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$253 NZD
Retailer 11$283 NZD
Retailer 10$491 NZD
Retailer 1$599 NZD
Retailer 7$608 NZD
Retailer 6$657 NZD
Retailer 3$702 NZD
Retailer 2$758 NZD
Retailer 8$1,064 NZD
Retailer 5$1,154 NZD
Retailer 4$1,613 NZD

44 data points across 11 retailers

27 retailers$253 NZD to $2,417 NZD

A
Cheapest Retailer
-
$253 NZD
Retailer 2
-
$253 NZD
View
Price last confirmed 30 days ago
Retailer 3
-
$253 NZD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$253 NZD
View
A
Retailer 5
-
$283 NZD
View
Final sale: no returns
Retailer 6
-
$294 NZD
View
Price last confirmed 41 days ago
Retailer 7
-
$308 NZD
View
Price last confirmed 39 days ago
Retailer 8
-
$314 NZD
View
Price last confirmed 35 days ago
A
Retailer 9
-
$462 NZD
View
B+
Retailer 10
-
$491 NZD
View
A
Retailer 11
-
$530 NZD
View
A
Retailer 12
-
$599 NZD
View
A
Retailer 13
-
$608 NZD
View
A
Retailer 14
-
$657 NZD
View
B+
Retailer 15
-
$702 NZD
View
B+
Retailer 16
-
$758 NZD
View
B
Retailer 17
-
$1,064 NZD
View
B
Retailer 18
-
$1,066 NZD
View
B
Retailer 19
-
$1,111 NZD
View
Retailer 20
-
$1,111 NZD
View
Price last confirmed 28 days ago
Retailer 21
-
$1,111 NZD
View
Price last confirmed 38 days ago
B
Retailer 22
-
$1,111 NZD
View
B
Retailer 23
-
$1,154 NZD
View
B
Retailer 24
-
$1,301 NZD
View
B
Retailer 25
-
$1,425 NZD
View
B
Retailer 26
-
$1,613 NZD
View
Most Expensive
B
Do Amore Diamonds
27-085836A3E · Nov 6
$2,417 NZD
$1,340 USD
View
26 more retailers have this diamond
Prices start from $253 NZDSave up to $2,165 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 Radiant
$253 NZD