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Round|Lab Grown|IGI

0.91ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG457056543

Shape and cutting style on the report: Round brilliant

Certificate IGI LG457056543

Diamond specifications and retailer prices

From $246 NZD
$138 USD
As of October 29, 2026
Save $1,181 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,427 NZD at MOH London · As of October 26, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG457056543 or 457056543. Listed at 12 retailers as of October 26, 2026, with prices from $246 to $1,427, a $1,181 spread on the same certified stone. MOH London lists it at $1,427. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG457056543
Dimensions6.16 × 6.10 × 3.86 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
6.16 mm6.10 mm0.91 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG457056543
Side View
Table 59.0%Crown 36.8°Girdle: ThickPavilion 40.9°Culet: NoneDepth 62.9%

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 29
Current: $1,427 NZD|Low: $235 NZD|High: $1,590 NZD|Avg: $801 NZD|-0.8%
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 30, 2026
Retailer 12$246 NZD
Retailer 16$276 NZD
Retailer 17$285 NZD
Retailer 3$524 NZD
Retailer 10$527 NZD
Retailer 15$568 NZD
Retailer 2$570 NZD
Retailer 6$700 NZD
Retailer 8$758 NZD
Retailer 5$781 NZD
Retailer 7$929 NZD
Retailer 14$979 NZD
Retailer 11$1,034 NZD
Retailer 13$1,193 NZD
Retailer 4$1,277 NZD
MOH London$1,427 NZD
Retailer 9$1,590 NZD

31 data points across 17 retailers

12 retailers$246 NZD to $1,427 NZD

A
Cheapest Retailer
-
$246 NZD
$138 USD
A
Retailer 2
-
$276 NZD
$155 USD
View
Final sale: no returns
A
Retailer 3
-
$285 NZD
$160 USD
View
B+
Retailer 4
-
$524 NZD
HK$2,300 HKD
View
A
Retailer 5
-
$527 NZD
€282 EUR
View
B+
Retailer 6
-
$568 NZD
$319 USD
View
A
Retailer 7
-
$570 NZD
£252 GBP
View
B
Retailer 8
-
$979 NZD
$550 USD
View
B
Retailer 9
-
$1,034 NZD
$581 USD
View
B
Retailer 10
-
$1,193 NZD
$670 USD
View
B
Retailer 11
-
$1,277 NZD
SGD 969 SGD
View
Most Expensive
B
MOH London
LG457056543 · Oct 26
$1,427 NZD
£631 GBP
View
11 more retailers have this diamond
Prices start from $246 NZDSave up to $1,181 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
$246 NZD