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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG519237667

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

Certificate IGI LG519237667

Diamond specifications and retailer prices

From $287 NZD
$162 USD
As of October 30, 2026
Save $1,616 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,904 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant 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 LG519237667 or 519237667. Listed at 19 retailers as of October 30, 2026, with prices from $287 to $1,904, a $1,616 spread on the same certified stone. Reve Diamonds lists it at $1,904. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519237667
Dimensions6.75 × 4.94 × 3.40 mm
L/W Ratio1.37
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
6.75 mm4.94 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519237667
Side View
Table 67.5%Crown 46.4°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 68.8%

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 30
Current: $630 NZD|Low: $277 NZD|High: $1,688 NZD|Avg: $714 NZD|+4.6%
Retailer 1
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
November 2, 2026
Retailer 11$287 NZD
Retailer 9$321 NZD
Retailer 4$334 NZD
Retailer 5$357 NZD
Retailer 14$357 NZD
Retailer 12$483 NZD
Retailer 1$630 NZD
Retailer 8$667 NZD
Retailer 2$700 NZD
Retailer 6$786 NZD
Retailer 10$935 NZD
Retailer 3$1,148 NZD
Retailer 13$1,348 NZD
Retailer 7$1,670 NZD

44 data points across 14 retailers

19 retailers$287 NZD to $1,904 NZD

A
Cheapest Retailer
-
$287 NZD
$162 USD
A
Retailer 2
-
$321 NZD
$181 USD
View
Final sale: no returns
A
Retailer 3
-
$334 NZD
$188 USD
View
Retailer 4
-
$357 NZD
$201 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$357 NZD
$201 USD
View
A
Retailer 6
-
$409 NZD
HK$1,800 HKD
View
B+
Retailer 7
-
$483 NZD
$272 USD
View
A
Retailer 8
-
$577 NZD
$325 USD
View
A
Retailer 9
-
$630 NZD
£280 GBP
View
B+
Retailer 10
-
$667 NZD
€358 EUR
View
Retailer 11
-
$700 NZD
£311 GBP
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$786 NZD
$443 USD
View
B+
Retailer 13
-
$935 NZD
$527 USD
View
B
Retailer 14
-
$1,098 NZD
£487 GBP
View
B
Retailer 15
-
$1,148 NZD
$647 USD
View
B
Retailer 16
-
$1,245 NZD
$702 USD
View
B
Retailer 17
-
$1,348 NZD
$760 USD
View
B
Retailer 18
-
$1,670 NZD
£741 GBP
View
Most Expensive
B
Reve Diamonds
730792602 · Nov 1
$1,904 NZD
$1,073 USD
View
18 more retailers have this diamond
Prices start from $287 NZDSave up to $1,616 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
1.01ct Radiant
$287 NZD