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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG800610785

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

Certificate IGI LG800610785

Diamond specifications and retailer prices

From $260 NZD
As of November 6, 2026
Save $1,569 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,829 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG800610785 or 800610785. Listed at 18 retailers as of November 6, 2026, with prices from $260 to $1,829, a $1,569 spread on the same certified stone. Reve Diamonds lists it at $1,829. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800610785
Dimensions7.39 × 4.80 × 3.08 mm
L/W Ratio1.54
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
7.39 mm4.80 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800610785
Side View
Table 63.0%Crown 26.2°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 64.2%

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: Nov 6
Current: $556 NZD|Low: $244 NZD|High: $1,829 NZD|Avg: $666 NZD|+2.3%
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
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 2$260 NZD
Retailer 14$301 NZD
Retailer 11$314 NZD
Retailer 6$321 NZD
Retailer 8$382 NZD
Retailer 9$547 NZD
Retailer 1$556 NZD
Retailer 15$566 NZD
Retailer 3$597 NZD
Retailer 4$610 NZD
Retailer 12$842 NZD
Retailer 13$1,034 NZD
Retailer 5$1,133 NZD
Retailer 7$1,136 NZD
Retailer 10$1,497 NZD
Reve Diamonds$1,829 NZD

37 data points across 16 retailers

18 retailers$260 NZD to $1,829 NZD

A
Cheapest Retailer
-
$260 NZD
A
Retailer 2
-
$301 NZD
View
A
Retailer 3
-
$314 NZD
View
Final sale: no returns
Retailer 4
-
$314 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$321 NZD
View
A
Retailer 6
-
$382 NZD
View
A
Retailer 7
-
$547 NZD
View
A
Retailer 8
-
$556 NZD
View
A
Retailer 9
-
$566 NZD
View
A
Retailer 10
-
$597 NZD
View
A
Retailer 11
-
$610 NZD
View
B+
Retailer 12
-
$842 NZD
View
B+
Retailer 13
-
$1,034 NZD
View
Retailer 14
-
$1,090 NZD
View
Price last confirmed 103 days ago
B
Retailer 15
-
$1,133 NZD
View
B
Retailer 16
-
$1,136 NZD
View
B
Retailer 17
-
$1,497 NZD
View
Most Expensive
B
Reve Diamonds
0CA34C042 · Nov 6
$1,829 NZD
$1,014 USD
View
17 more retailers have this diamond
Prices start from $260 NZDSave up to $1,569 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
1.00ct Radiant
$260 NZD