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Round|Lab Grown|IGI

1.33ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG773646377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773646377

Diamond specifications and retailer prices

From $415 NZD
As of November 6, 2026
Save $812 NZD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,766 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.33ct lab-grown round diamond

This 1.33ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG773646377 or 773646377. Listed at 17 retailers as of November 6, 2026, with a 196% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.33
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773646377
Dimensions7.04 × 6.98 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.04 mm6.98 mm1.33 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773646377
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: $1,766 NZD|Low: $292 NZD|High: $1,805 NZD|Avg: $820 NZD|-1.2%
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
November 6, 2026
Retailer 4$305 NZD
Retailer 8$354 NZD
Retailer 9$377 NZD
Retailer 15$415 NZD
Retailer 2$621 NZD
Retailer 10$649 NZD
Retailer 11$649 NZD
Retailer 12$669 NZD
Retailer 6$803 NZD
Retailer 7$835 NZD
Retailer 17$875 NZD
Retailer 14$877 NZD
Retailer 13$987 NZD
Retailer 3$1,118 NZD
Retailer 5$1,212 NZD
Retailer 16$1,227 NZD
MOH London$1,766 NZD

43 data points across 17 retailers

17 retailers$415 NZD to $1,227 NZD

Retailer 1
-
$305 NZD
Price last confirmed 12 days ago
Retailer 2
-
$354 NZD
View
Price last confirmed 11 days ago
Retailer 3
-
$377 NZD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$415 NZD
View
A
Retailer 5
-
$621 NZD
View
A
Retailer 6
-
$649 NZD
View
A
Retailer 7
-
$649 NZD
View
B+
Retailer 8
-
$669 NZD
View
A
Retailer 9
-
$803 NZD
View
Retailer 10
-
$835 NZD
View
Price last confirmed 12 days ago
Retailer 11
-
$875 NZD
View
Price last confirmed 13 days ago
A
Retailer 12
-
$877 NZD
View
B+
Retailer 13
-
$987 NZD
View
B+
Retailer 14
-
$1,118 NZD
View
Retailer 15
-
$1,212 NZD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
$1,227 NZD
View
Most Expensive
MOH London
LG773646377 · Oct 26
$1,766 NZD
£771 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $415 NZDSave up to $812 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
1.33ct Round
$415 NZD