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0.99ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG704591534

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704591534

Diamond specifications and retailer prices

From $291 NZD
$164 USD
As of October 29, 2026
Save $1,622 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,913 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG704591534 or 704591534. Listed at 19 retailers as of October 29, 2026, with prices from $291 to $1,913, a $1,622 spread on the same certified stone. Reve Diamonds lists it at $1,913. 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

0.99
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704591534
Dimensions6.45 × 6.38 × 3.89 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.45 mm6.38 mm0.99 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704591534
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.6%

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 29
Current: $699 NZD|Low: $229 NZD|High: $1,913 NZD|Avg: $809 NZD|+10.3%
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
Reve Diamonds
October 31, 2026
Retailer 10$291 NZD
Retailer 8$325 NZD
Retailer 11$337 NZD
Retailer 4$360 NZD
Retailer 13$525 NZD
Retailer 7$631 NZD
Retailer 3$649 NZD
Retailer 14$674 NZD
Retailer 1$699 NZD
Retailer 2$788 NZD
Retailer 5$933 NZD
Retailer 12$990 NZD
Retailer 6$1,256 NZD
Retailer 9$1,688 NZD
Reve Diamonds$1,913 NZD

43 data points across 15 retailers

19 retailers$291 NZD to $1,913 NZD

Retailer 1
-
$289 NZD
$163 USD
Price last confirmed 43 days ago
A
Retailer 2
-
$291 NZD
$164 USD
View
A
Retailer 3
-
$325 NZD
$183 USD
View
Final sale: no returns
A
Retailer 4
-
$337 NZD
$190 USD
View
Retailer 5
-
$353 NZD
$199 USD
View
Price last confirmed 41 days ago
A
Retailer 6
-
$360 NZD
$203 USD
View
A
Retailer 7
-
$525 NZD
$296 USD
View
A
Retailer 8
-
$631 NZD
£280 GBP
View
B+
Retailer 9
-
$649 NZD
$366 USD
View
Retailer 10
-
$674 NZD
$380 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$699 NZD
€375 EUR
View
Retailer 12
-
$719 NZD
$405 USD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
$788 NZD
$444 USD
View
B+
Retailer 14
-
$933 NZD
$526 USD
View
B+
Retailer 15
-
$990 NZD
A$858 AUD
View
Retailer 16
-
$1,150 NZD
$648 USD
View
Price last confirmed 40 days ago
B
Retailer 17
-
$1,256 NZD
$708 USD
View
B
Retailer 18
-
$1,688 NZD
£749 GBP
View
Most Expensive
B
Reve Diamonds
8AAB870BF · Oct 30
$1,913 NZD
$1,078 USD
View
18 more retailers have this diamond
Prices start from $291 NZDSave up to $1,622 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
0.99ct Round
$291 NZD