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0.99ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG805671868

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805671868

Diamond specifications and retailer prices

From $248 NZD
$140 USD
As of October 26, 2026
Save $1,196 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,444 NZD at MOH London · As of October 26, 2026
View at MOH London

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 LG805671868 or 805671868. Listed at 16 retailers as of October 26, 2026, with prices from $248 to $1,444, a $1,196 spread on the same certified stone. MOH London lists it at $1,444. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671868
Dimensions6.36 × 6.30 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.36 mm6.30 mm0.99 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805671868
Side View
Table 61.0%Crown 33.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 60.7%

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 26
Current: $1,444 NZD|Low: $241 NZD|High: $1,489 NZD|Avg: $658 NZD|-2.0%
MOH London
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 3$248 NZD
Retailer 5$279 NZD
Retailer 4$289 NZD
Retailer 16$309 NZD
Retailer 11$341 NZD
Retailer 14$523 NZD
Retailer 15$525 NZD
Retailer 2$525 NZD
Retailer 6$575 NZD
Retailer 13$594 NZD
Retailer 7$656 NZD
Retailer 8$742 NZD
Retailer 10$770 NZD
Retailer 12$842 NZD
Retailer 9$940 NZD
Retailer 17$992 NZD
MOH London$1,444 NZD

44 data points across 17 retailers

16 retailers$248 NZD to $1,444 NZD

A
Cheapest Retailer
-
$248 NZD
$140 USD
A
Retailer 2
-
$289 NZD
$163 USD
View
Retailer 3
-
$309 NZD
$174 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$341 NZD
HK$1,500 HKD
View
A
Retailer 5
-
$523 NZD
£232 GBP
View
A
Retailer 6
-
$525 NZD
$296 USD
View
A
Retailer 7
-
$525 NZD
€282 EUR
View
B+
Retailer 8
-
$575 NZD
$324 USD
View
A
Retailer 9
-
$594 NZD
£264 GBP
View
Retailer 10
-
$656 NZD
$370 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$742 NZD
$418 USD
View
B+
Retailer 12
-
$770 NZD
$434 USD
View
B+
Retailer 13
-
$842 NZD
SGD 641 SGD
View
B
Retailer 14
-
$940 NZD
$530 USD
View
Retailer 15
-
$992 NZD
$559 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
LG805671868 · Oct 26
$1,444 NZD
£641 GBP
View
15 more retailers have this diamond
Prices start from $248 NZDSave up to $1,196 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
$248 NZD