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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG700559731

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

Certificate IGI LG700559731

Diamond specifications and retailer prices

From $389 NZD
$219 USD
As of October 30, 2026
Save $1,835 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,223 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 LG700559731 or 700559731. Listed at 16 retailers as of October 30, 2026, with prices from $389 to $2,223, a $1,835 spread on the same certified stone. Reve Diamonds lists it at $2,223. 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 angle39.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700559731
Dimensions7.40 × 4.95 × 3.24 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm4.95 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700559731
Side View
Table 64.0%Crown 39.7°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 65.5%

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: $893 NZD|Low: $373 NZD|High: $2,223 NZD|Avg: $1,110 NZD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 2, 2026
Retailer 8$389 NZD
Retailer 12$433 NZD
Retailer 10$481 NZD
Retailer 4$545 NZD
Retailer 2$612 NZD
Retailer 7$823 NZD
Retailer 1$893 NZD
Retailer 11$896 NZD
Retailer 6$1,553 NZD
Retailer 3$1,640 NZD
Retailer 9$1,810 NZD
Retailer 5$1,927 NZD
Reve Diamonds$2,223 NZD

43 data points across 13 retailers

16 retailers$389 NZD to $2,223 NZD

A
Cheapest Retailer
-
$389 NZD
$219 USD
A
Retailer 2
-
$433 NZD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$451 NZD
$254 USD
View
Retailer 4
-
$481 NZD
$271 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$481 NZD
$271 USD
View
A
Retailer 6
-
$545 NZD
HK$2,400 HKD
View
A
Retailer 7
-
$612 NZD
$345 USD
View
B+
Retailer 8
-
$823 NZD
$464 USD
View
B+
Retailer 9
-
$893 NZD
£396 GBP
View
B+
Retailer 10
-
$896 NZD
$505 USD
View
B
Retailer 11
-
$1,545 NZD
$871 USD
View
B
Retailer 12
-
$1,553 NZD
$875 USD
View
B
Retailer 13
-
$1,640 NZD
$924 USD
View
B
Retailer 14
-
$1,810 NZD
$1,020 USD
View
B
Retailer 15
-
$1,927 NZD
£855 GBP
View
Most Expensive
B
Reve Diamonds
02E8E8E75 · Nov 1
$2,223 NZD
$1,253 USD
View
15 more retailers have this diamond
Prices start from $389 NZDSave up to $1,835 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
$389 NZD