CaratHunter
Plans
Round|Lab Grown|IGI

1.70ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG436073480

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436073480

Diamond specifications and retailer prices

From $1,903 NZD
As of November 5, 2026
Save $5,561 NZD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,464 NZD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073480 or 436073480. Listed at 9 retailers as of November 5, 2026, with prices from $1,903 to $7,464, a $5,561 spread on the same certified stone. MOH London lists it at $7,464. 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

1.70
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073480
Dimensions7.58 × 7.61 × 4.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.58 mm7.61 mm1.70 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073480
Side View
Table 57.5%Crown 35.5°GirdlePavilion 41.4°Culet: NoneDepth 63.2%

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: Nov 5
Current: $7,464 NZD|Low: $1,903 NZD|High: $7,585 NZD|Avg: $4,002 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,903 NZD
Retailer 4$2,206 NZD
Retailer 2$2,525 NZD
Retailer 7$3,198 NZD
Retailer 5$3,519 NZD
Retailer 6$4,613 NZD
MOH London$7,464 NZD

17 data points across 7 retailers

9 retailers$1,903 NZD to $7,464 NZD

A
Cheapest Retailer
-
$1,903 NZD
B+
Retailer 2
-
$2,071 NZD
View
Retailer 3
-
$2,206 NZD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$2,206 NZD
View
B+
Retailer 5
-
$2,525 NZD
View
B
Retailer 6
-
$3,519 NZD
View
B
Retailer 7
-
$4,136 NZD
View
B
Retailer 8
-
$4,613 NZD
View
Most Expensive
B
MOH London
LG436073480 · Nov 5
$7,464 NZD
£3,258 GBP
View
8 more retailers have this diamond
Prices start from $1,903 NZDSave up to $5,561 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
$1,903 NZD