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1.30ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG702546657

Shape and cutting style on the report: Round brilliant

Certificate IGI LG702546657

Diamond specifications and retailer prices

From $294 NZD
As of November 1, 2026
Save $1,633 NZD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,927 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG702546657 or 702546657. Listed at 15 retailers as of November 1, 2026, with prices from $294 to $1,927, a $1,633 spread on the same certified stone. Reve Diamonds lists it at $1,927. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702546657
Dimensions7.08 × 7.04 × 4.29 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
7.08 mm7.04 mm1.30 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702546657
Side View
Table 59.0%Crown 32.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.8%

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 1
Current: $644 NZD|Low: $238 NZD|High: $1,949 NZD|Avg: $854 NZD|+3.4%
Retailer 1
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
Reve Diamonds
November 3, 2026
Retailer 10$294 NZD
Retailer 6$329 NZD
Retailer 15$342 NZD
Retailer 12$365 NZD
Retailer 14$365 NZD
Retailer 1$644 NZD
Retailer 3$655 NZD
Retailer 9$710 NZD
Retailer 4$744 NZD
Retailer 2$925 NZD
Retailer 5$948 NZD
Retailer 13$1,172 NZD
Retailer 8$1,238 NZD
Retailer 7$1,270 NZD
Retailer 11$1,704 NZD
Reve Diamonds$1,927 NZD

28 data points across 16 retailers

15 retailers$294 NZD to $1,927 NZD

A
Cheapest Retailer
-
$294 NZD
Retailer 2
-
$342 NZD
View
Price last confirmed 13 days ago
Retailer 3
-
$365 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$365 NZD
View
A
Retailer 5
-
$644 NZD
View
B+
Retailer 6
-
$655 NZD
View
A
Retailer 7
-
$710 NZD
View
A
Retailer 8
-
$744 NZD
View
B+
Retailer 9
-
$925 NZD
View
B+
Retailer 10
-
$948 NZD
View
B+
Retailer 11
-
$1,172 NZD
View
B
Retailer 12
-
$1,238 NZD
View
B
Retailer 13
-
$1,270 NZD
View
B
Retailer 14
-
$1,704 NZD
View
Most Expensive
B
Reve Diamonds
8A9E816B9 · Nov 1
$1,927 NZD
$1,083 USD
View
14 more retailers have this diamond
Prices start from $294 NZDSave up to $1,633 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
$294 NZD