CaratHunter
Plans
Round|Lab Grown|IGI

1.30ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG445036875

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445036875

Diamond specifications and retailer prices

From $750 USD
As of October 30, 2026
Save $2,704 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,454 USD at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036875 or 445036875. Listed at 11 retailers as of October 29, 2026, with prices from $750 to $3,454, a $2,704 spread on the same certified stone. MOH London lists it at $3,454. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036875
Dimensions7.10 × 7.13 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.10 mm7.13 mm1.30 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036875
Side View
Table 57.5%Crown 32°Girdle: UNDPavilion 40.2°Culet: NoneDepth 59.2%

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: $3,454 USD|Low: $750 USD|High: $3,482 USD|Avg: $1,558 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$750 USD
Retailer 5$754 USD
Retailer 8$844 USD
Retailer 6$875 USD
Retailer 4$1,050 USD
Retailer 9$1,374 USD
Retailer 7$1,415 USD
Retailer 3$2,081 USD
Retailer 10$2,504 USD
MOH London$3,454 USD

17 data points across 10 retailers

11 retailers$750 USD to $3,454 USD

A
Cheapest Retailer
-
$750 USD
A
Retailer 2
-
$754 USD
View
A
Retailer 3
-
$821 USD
View
B+
Retailer 4
-
$844 USD
View
Final sale: no returns
B+
Retailer 5
-
$875 USD
View
Retailer 6
-
$875 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$1,050 USD
View
B
Retailer 8
-
$1,415 USD
View
Retailer 9
-
$2,081 USD
View
B
Retailer 10
-
$2,460 USD
View
Most Expensive
B
MOH London
LG445036875 · Oct 29
$3,454 USD
£2,720 GBP
View
10 more retailers have this diamond
Prices start from $750 USDSave up to $2,704 USD

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
$750 USD