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Marquise|Lab Grown|IGI

0.70ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436047188

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047188

Diamond specifications and retailer prices

From $764 NZD
$430 USD
As of November 2, 2026
Save $2,579 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,826 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 0.7ct lab-grown marquise diamond

This 0.7ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047188 or 436047188. Listed at 11 retailers as of October 31, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.70
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047188
Dimensions8.74 × 4.83 × 2.98 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Top View
8.74 mm4.83 mm0.70 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047188
Side View
Table 57.5%Crown 34.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.7%

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 2
Current: $3,826 NZD|Low: $764 NZD|High: $4,178 NZD|Avg: $1,816 NZD|+0.2%
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
Retailer 15
October 31, 2026
Retailer 8$764 NZD
Retailer 10$839 NZD
Retailer 3$938 NZD
Retailer 14$938 NZD
Retailer 7$972 NZD
Retailer 11$1,040 NZD
Retailer 15$1,040 NZD
Retailer 4$1,289 NZD
Retailer 13$1,623 NZD
Retailer 2$1,745 NZD
Retailer 5$1,765 NZD
Retailer 9$2,796 NZD
Retailer 12$3,343 NZD
MOH London$3,826 NZD
Retailer 6$4,178 NZD

26 data points across 15 retailers

11 retailers$764 NZD to $3,343 NZD

A
Cheapest Retailer
-
$764 NZD
$430 USD
B+
Retailer 2
-
$839 NZD
$472 USD
View
B+
Retailer 3
-
$938 NZD
$528 USD
View
Final sale: no returns
B+
Retailer 4
-
$938 NZD
$528 USD
View
Retailer 5
-
$1,040 NZD
$585 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,040 NZD
$585 USD
View
B
Retailer 7
-
$1,623 NZD
$913 USD
View
B
Retailer 8
-
$1,745 NZD
€935 EUR
View
B
Retailer 9
-
$2,796 NZD
$1,573 USD
View
B
Retailer 10
-
$3,343 NZD
$1,881 USD
View
Most Expensive
MOH London
LG436047188 · Oct 25
$3,826 NZD
£1,695 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from $764 NZDSave up to $2,579 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
0.70ct Marquise
$764 NZD