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Oval|Lab Grown|IGI

1.00ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG844628228

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844628228

Diamond specifications and retailer prices

From $316 NZD
$178 USD
As of October 31, 2026
Save $1,541 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,857 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG844628228 or 844628228. Listed at 14 retailers as of October 30, 2026, with prices from $316 to $1,857, a $1,541 spread on the same certified stone. Reve Diamonds lists it at $1,857. 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

1.00
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844628228
Dimensions7.79 × 5.64 × 3.58 mm
L/W Ratio1.38
Girdle conditionFaceted
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
7.79 mm5.64 mm1.00 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844628228
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $581 NZD|Low: $316 NZD|High: $1,857 NZD|Avg: $904 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 31, 2026
Retailer 8$316 NZD
Retailer 12$337 NZD
Retailer 2$406 NZD
Retailer 10$564 NZD
Retailer 1$581 NZD
Retailer 7$591 NZD
Retailer 13$617 NZD
Retailer 5$914 NZD
Retailer 6$1,088 NZD
Retailer 9$1,150 NZD
Retailer 3$1,186 NZD
Retailer 11$1,526 NZD
Retailer 4$1,544 NZD
Reve Diamonds$1,857 NZD

14 data points across 14 retailers

14 retailers$316 NZD to $1,857 NZD

A
Cheapest Retailer
-
$316 NZD
$178 USD
A
Retailer 2
-
$337 NZD
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$406 NZD
£180 GBP
View
B+
Retailer 4
-
$564 NZD
$318 USD
View
B+
Retailer 5
-
$581 NZD
€312 EUR
View
B+
Retailer 6
-
$591 NZD
£262 GBP
View
B+
Retailer 7
-
$617 NZD
$348 USD
View
B+
Retailer 8
-
$914 NZD
$515 USD
View
B
Retailer 9
-
$1,088 NZD
$613 USD
View
B
Retailer 10
-
$1,150 NZD
$648 USD
View
B
Retailer 11
-
$1,186 NZD
$669 USD
View
B
Retailer 12
-
$1,526 NZD
$860 USD
View
B
Retailer 13
-
$1,544 NZD
£685 GBP
View
Most Expensive
B
Reve Diamonds
578CB980A · Oct 30
$1,857 NZD
$1,046 USD
View
13 more retailers have this diamond
Prices start from $316 NZDSave up to $1,541 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
1.00ct Oval
$316 NZD