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Oval|Lab Grown|IGI

1.60ct D SI1 Oval Lab Grown Diamond

GD • D/SI1 • IGI LG550237331

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG550237331

Diamond specifications and retailer prices

From $878 NZD
$495 USD
As of October 28, 2026
Save $1,784 NZD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,662 NZD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.6ct lab-grown oval diamond

This 1.6ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG550237331 or 550237331. Listed at 14 retailers as of October 25, 2026, with prices from $878 to $2,662, a $1,784 spread on the same certified stone. Reve Diamonds lists it at $2,662. 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

1.60
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550237331
Dimensions9.13 × 6.66 × 4.17 mm
L/W Ratio1.37
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
9.13 mm6.66 mm1.60 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550237331
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,148 NZD|Low: $586 NZD|High: $2,662 NZD|Avg: $1,329 NZD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 27, 2026
Retailer 8$586 NZD
Retailer 7$642 NZD
Retailer 9$651 NZD
Retailer 6$878 NZD
Retailer 2$1,022 NZD
Retailer 10$1,029 NZD
Retailer 1$1,148 NZD
Retailer 5$1,819 NZD
Retailer 4$2,001 NZD
Retailer 3$2,614 NZD
Reve Diamonds$2,662 NZD

22 data points across 11 retailers

14 retailers$878 NZD to $2,662 NZD

Retailer 1
-
$525 NZD
$296 USD
Price last confirmed 38 days ago
Retailer 2
-
$609 NZD
$343 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$642 NZD
$362 USD
View
Price last confirmed 34 days ago
B+
Retailer 4
-
$878 NZD
$495 USD
View
B+
Retailer 5
-
$1,022 NZD
$576 USD
View
B+
Retailer 6
-
$1,029 NZD
$580 USD
View
Retailer 7
-
$1,145 NZD
£508 GBP
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$1,148 NZD
£509 GBP
View
Retailer 9
-
$1,819 NZD
$1,025 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
$2,001 NZD
$1,128 USD
View
Retailer 11
-
$2,094 NZD
$1,180 USD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$2,180 NZD
$1,228 USD
View
B
Retailer 13
-
$2,614 NZD
£1,160 GBP
View
Most Expensive
C
Reve Diamonds
5E06BB76A · Oct 25
$2,662 NZD
$1,500 USD
View
13 more retailers have this diamond
Prices start from $878 NZDSave up to $1,784 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.

B+
1.60ct Oval
$878 NZD