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0.91ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG436073676

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436073676

Diamond specifications and retailer prices

From $940 NZD
$530 USD
As of October 30, 2026
Save $5,033 NZD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,974 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073676 or 436073676. Listed at 11 retailers as of October 29, 2026, with prices from $940 to $5,974, a $5,033 spread on the same certified stone. MOH London lists it at $5,974. 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

0.91
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073676
Dimensions6.21 × 6.23 × 3.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.21 mm6.23 mm0.91 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073676
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,974 NZD|Low: $940 NZD|High: $6,012 NZD|Avg: $2,445 NZD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$940 NZD
Retailer 6$1,366 NZD
Retailer 10$1,487 NZD
Retailer 9$1,529 NZD
Retailer 7$1,584 NZD
Retailer 11$1,899 NZD
Retailer 3$2,450 NZD
Retailer 8$2,562 NZD
Retailer 2$2,731 NZD
Retailer 5$3,769 NZD
MOH London$5,974 NZD

20 data points across 11 retailers

11 retailers$940 NZD to $5,974 NZD

A
Cheapest Retailer
-
$940 NZD
$530 USD
B+
Retailer 2
-
$1,366 NZD
$770 USD
View
B+
Retailer 3
-
$1,487 NZD
$838 USD
View
B+
Retailer 4
-
$1,529 NZD
$862 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,584 NZD
$893 USD
View
Retailer 6
-
$1,584 NZD
$893 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$2,562 NZD
$1,444 USD
View
B+
Retailer 8
-
$2,731 NZD
€1,466 EUR
View
B
Retailer 9
-
$3,769 NZD
$2,124 USD
View
B
Retailer 10
-
$4,455 NZD
$2,511 USD
View
Most Expensive
B
MOH London
LG436073676 · Oct 29
$5,974 NZD
£2,651 GBP
View
10 more retailers have this diamond
Prices start from $940 NZDSave up to $5,033 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
0.91ct Round
$940 NZD