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Oval|Lab Grown|IGI

0.70ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG499189057

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499189057

Diamond specifications and retailer prices

From $727 NZD
$410 USD
As of October 30, 2026
Save $1,409 NZD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,586 NZD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.7ct lab-grown oval diamond

This 0.7ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499189057 or 499189057. Listed at 11 retailers as of October 30, 2026, with a 194% 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189057
Dimensions7.21 × 4.94 × 3.12 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.21 mm4.94 mm0.70 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189057
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.9°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: Oct 30
Current: $2,136 NZD|Low: $727 NZD|High: $5,437 NZD|Avg: $2,046 NZD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$727 NZD
Retailer 5$1,100 NZD
Retailer 8$1,230 NZD
Retailer 6$1,363 NZD
Retailer 9$1,363 NZD
Retailer 7$2,088 NZD
Retailer 1$2,136 NZD
Retailer 4$3,384 NZD
Retailer 3$5,401 NZD

43 data points across 9 retailers

11 retailers$727 NZD to $2,136 NZD

A
Cheapest Retailer
-
$727 NZD
$410 USD
B+
Retailer 2
-
$1,100 NZD
$620 USD
View
B
Retailer 3
-
$1,230 NZD
$693 USD
View
Final sale: no returns
B
Retailer 4
-
$1,231 NZD
$694 USD
View
B
Retailer 5
-
$1,363 NZD
$768 USD
View
Retailer 6
-
$1,363 NZD
$768 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
$2,088 NZD
$1,177 USD
View
B
Retailer 8
-
$2,136 NZD
£948 GBP
View
Retailer 9
-
$3,384 NZD
$1,907 USD
View
Price under review
Most Expensive
NZ Jewellers
4111bb23-38fa-4b2c-8c57-cf4a25387c03 · Oct 31
$3,586 NZD
$2,021 USD
View
Price under review
9 more retailers have this diamond
Prices start from $727 NZDSave up to $1,409 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 Oval
$727 NZD