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1.17ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG794602623

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794602623

Diamond specifications and retailer prices

From $410 NZD
$231 USD
As of October 26, 2026
Save $1,943 NZD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,353 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.17ct lab-grown round diamond

This 1.17ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794602623 or 794602623. Listed at 18 retailers as of October 26, 2026, with prices from $410 to $2,353, a $1,943 spread on the same certified stone. MOH London lists it at $2,353. 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

1.17
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794602623
Dimensions6.67 × 6.63 × 4.16 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
6.67 mm6.63 mm1.17 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794602623
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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 26
Current: $2,353 NZD|Low: $332 NZD|High: $2,353 NZD|Avg: $930 NZD|+28.4%
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
November 1, 2026
Retailer 4$385 NZD
Retailer 3$410 NZD
Retailer 12$458 NZD
Retailer 11$509 NZD
Retailer 10$688 NZD
Retailer 2$781 NZD
Retailer 7$829 NZD
Retailer 5$958 NZD
Retailer 9$1,114 NZD
Retailer 14$1,160 NZD
Retailer 8$1,256 NZD
Retailer 6$1,279 NZD
Retailer 13$1,728 NZD
MOH London$2,353 NZD

31 data points across 14 retailers

18 retailers$410 NZD to $2,353 NZD

Retailer 1
-
$332 NZD
$187 USD
Price last confirmed 22 days ago
Retailer 2
-
$385 NZD
$217 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$410 NZD
$231 USD
View
Retailer 4
-
$412 NZD
$232 USD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
$458 NZD
$258 USD
View
Final sale: no returns
A
Retailer 6
-
$476 NZD
$268 USD
View
B+
Retailer 7
-
$509 NZD
$287 USD
View
B+
Retailer 8
-
$688 NZD
$388 USD
View
A
Retailer 9
-
$781 NZD
$440 USD
View
B+
Retailer 10
-
$829 NZD
€445 EUR
View
A
Retailer 11
-
$1,114 NZD
$628 USD
View
B+
Retailer 12
-
$1,160 NZD
$654 USD
View
Retailer 13
-
$1,230 NZD
$693 USD
View
Price last confirmed 18 days ago
B+
Retailer 14
-
$1,256 NZD
$708 USD
View
Retailer 15
-
$1,286 NZD
$725 USD
View
Price last confirmed 8 days ago
Retailer 16
-
$1,322 NZD
$745 USD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
$1,728 NZD
$974 USD
View
Most Expensive
B+
MOH London
LG794602623 · Oct 26
$2,353 NZD
£1,044 GBP
View
17 more retailers have this diamond
Prices start from $410 NZDSave up to $1,943 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
1.17ct Round
$410 NZD