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Radiant|Lab Grown|IGI

1.68ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825660118

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG825660118

Diamond specifications and retailer prices

From $1,040 NZD
$586 USD
As of October 30, 2026
Save $6,120 NZD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,159 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.68ct lab-grown radiant diamond

This 1.68ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660118 or 825660118. Listed at 21 retailers as of October 28, 2026, with prices from $1,040 to $7,159, a $6,120 spread on the same certified stone. Rare Carat lists it at $7,159. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660118
Dimensions8.14 × 5.77 × 4.15 mm
L/W Ratio1.41
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
8.14 mm5.77 mm1.68 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660118
Side View
Table 64.0%Crown 45.5°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 71.9%

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: $7,159 NZD|Low: $1,040 NZD|High: $9,528 NZD|Avg: $3,501 NZD|-1.1%
Rare Carat
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 11$1,040 NZD
Retailer 19$1,164 NZD
Retailer 7$1,207 NZD
Retailer 10$1,288 NZD
Retailer 18$1,517 NZD
Retailer 3$1,982 NZD
Retailer 13$2,015 NZD
Retailer 2$2,109 NZD
Retailer 17$2,215 NZD
Retailer 5$2,342 NZD
Retailer 4$2,906 NZD
Retailer 8$3,391 NZD
Retailer 6$3,759 NZD
Retailer 12$4,173 NZD
Retailer 14$4,226 NZD
Retailer 9$4,385 NZD
Retailer 16$5,627 NZD
Retailer 20$6,146 NZD
Retailer 15$6,955 NZD
Rare Carat$7,159 NZD

29 data points across 20 retailers

21 retailers$1,040 NZD to $7,159 NZD

A
Cheapest Retailer
-
$1,040 NZD
$586 USD
A
Retailer 2
-
$1,164 NZD
$656 USD
View
A
Retailer 3
-
$1,207 NZD
$680 USD
View
Final sale: no returns
A
Retailer 4
-
$1,288 NZD
$726 USD
View
Retailer 5
-
$1,375 NZD
$775 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,517 NZD
$855 USD
View
A
Retailer 7
-
$1,982 NZD
$1,117 USD
View
A
Retailer 8
-
$2,015 NZD
£894 GBP
View
A
Retailer 9
-
$2,109 NZD
€1,132 EUR
View
B+
Retailer 10
-
$2,215 NZD
ZAR 20,171 ZAR
View
B+
Retailer 11
-
$2,342 NZD
$1,320 USD
View
B+
Retailer 12
-
$2,906 NZD
$1,638 USD
View
B+
Retailer 13
-
$3,391 NZD
$1,911 USD
View
B+
Retailer 14
-
$3,759 NZD
£1,668 GBP
View
B+
Retailer 15
-
$4,173 NZD
$2,352 USD
View
B
Retailer 16
-
$4,226 NZD
$2,382 USD
View
B+
Retailer 17
-
$4,385 NZD
SGD 3,340 SGD
View
B
Retailer 18
-
$5,627 NZD
£2,497 GBP
View
B
Retailer 19
-
$6,146 NZD
$3,464 USD
View
B
Retailer 20
-
$6,955 NZD
$3,920 USD
View
Most Expensive
B
Rare Carat
PD-239706 · Oct 28
$7,159 NZD
$4,035 USD
View
20 more retailers have this diamond
Prices start from $1,040 NZDSave up to $6,120 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
1.68ct Radiant
$1,040 NZD