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Round|Lab Grown|IGI

1.70ct J SI1 Round Lab Grown Diamond

VG • J/SI1 • IGI LG447001293

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001293

Diamond specifications and retailer prices

From $1,703 NZD
$960 USD
As of October 30, 2026
Save $6,986 NZD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,689 NZD at MOH London · As of October 27, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG447001293 or 447001293. Listed at 12 retailers as of October 27, 2026, with prices from $1,703 to $8,689, a $6,986 spread on the same certified stone. MOH London lists it at $8,689. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001293
Dimensions7.60 × 7.65 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.60 mm7.65 mm1.70 ctJ / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001293
Side View
Table 59.0%Crown 32.2°Girdle: ThickPavilion 40.4°Culet: NoneDepth 60.6%

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 30
Current: $8,689 NZD|Low: $1,703 NZD|High: $8,793 NZD|Avg: $3,994 NZD|+0.1%
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
October 30, 2026
Retailer 2$1,703 NZD
Retailer 8$2,328 NZD
Retailer 11$2,534 NZD
Retailer 13$2,606 NZD
Retailer 9$2,700 NZD
Retailer 14$2,700 NZD
Retailer 3$3,007 NZD
Retailer 7$3,545 NZD
Retailer 5$3,731 NZD
Retailer 10$4,273 NZD
Retailer 4$5,034 NZD
Retailer 12$5,062 NZD
Retailer 6$7,727 NZD
MOH London$8,689 NZD

25 data points across 14 retailers

12 retailers$1,703 NZD to $8,689 NZD

A
Cheapest Retailer
-
$1,703 NZD
$960 USD
B+
Retailer 2
-
$2,328 NZD
$1,312 USD
View
B+
Retailer 3
-
$2,534 NZD
$1,428 USD
View
B+
Retailer 4
-
$2,606 NZD
$1,469 USD
View
Final sale: no returns
Retailer 5
-
$2,700 NZD
$1,522 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,700 NZD
$1,522 USD
View
B
Retailer 7
-
$3,007 NZD
$1,695 USD
View
B+
Retailer 8
-
$3,545 NZD
£1,573 GBP
View
B
Retailer 9
-
$4,273 NZD
$2,408 USD
View
B
Retailer 10
-
$5,034 NZD
$2,837 USD
View
B
Retailer 11
-
$5,062 NZD
$2,853 USD
View
Most Expensive
B
MOH London
LG447001293 · Oct 27
$8,689 NZD
£3,856 GBP
View
11 more retailers have this diamond
Prices start from $1,703 NZDSave up to $6,986 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
1.70ct Round
$1,703 NZD