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Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG770639391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770639391

Diamond specifications and retailer prices

From $312 NZD
As of November 5, 2026
Save $1,495 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,808 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct 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 LG770639391 or 770639391. Listed at 16 retailers as of November 5, 2026, with prices from $312 to $1,808, a $1,495 spread on the same certified stone. MOH London lists it at $1,808. 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

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770639391
Dimensions6.99 × 7.04 × 4.29 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
6.99 mm7.04 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770639391
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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: Nov 5
Current: $1,808 NZD|Low: $312 NZD|High: $1,833 NZD|Avg: $867 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$312 NZD
Retailer 8$388 NZD
Retailer 2$666 NZD
Retailer 4$684 NZD
Retailer 9$693 NZD
Retailer 10$842 NZD
Retailer 5$956 NZD
Retailer 3$1,082 NZD
Retailer 6$1,315 NZD
MOH London$1,808 NZD

44 data points across 10 retailers

16 retailers$312 NZD to $1,808 NZD

A
Cheapest Retailer
-
$312 NZD
A
Retailer 2
-
$363 NZD
View
A
Retailer 3
-
$388 NZD
View
Retailer 4
-
$388 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$666 NZD
View
A
Retailer 6
-
$684 NZD
View
B+
Retailer 7
-
$693 NZD
View
A
Retailer 8
-
$758 NZD
View
A
Retailer 9
-
$842 NZD
View
B+
Retailer 10
-
$956 NZD
View
B+
Retailer 11
-
$987 NZD
View
B+
Retailer 12
-
$1,082 NZD
View
B+
Retailer 13
-
$1,246 NZD
View
B+
Retailer 14
-
$1,315 NZD
View
B+
Retailer 15
-
$1,344 NZD
View
Most Expensive
B
MOH London
LG770639391 · Nov 5
$1,808 NZD
£789 GBP
View
15 more retailers have this diamond
Prices start from $312 NZDSave up to $1,495 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
1.30ct Round
$312 NZD