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Radiant|Lab Grown|IGI

1.67ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816611920

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

Certificate IGI LG816611920

Diamond specifications and retailer prices

From $1,691 NZD
$953 USD
As of October 30, 2026
Save $6,081 NZD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,771 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown radiant diamond

This 1.67ct 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 LG816611920 or 816611920. Listed at 8 retailers as of October 30, 2026, with prices from $1,691 to $7,771, a $6,081 spread on the same certified stone. Do Amore Diamonds lists it at $7,771. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816611920
Dimensions8.49 × 5.84 × 3.93 mm
L/W Ratio1.45
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
8.49 mm5.84 mm1.67 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816611920
Side View
Table 68.0%Crown 41.6°Girdle: MED-STKPavilionCulet: NoneDepth 67.3%

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: $7,771 NZD|Low: $901 NZD|High: $9,386 NZD|Avg: $3,870 NZD|-12.2%
Do Amore Diamonds
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
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Retailer 17
October 31, 2026
Retailer 3$901 NZD
Retailer 6$981 NZD
Retailer 12$1,691 NZD
Retailer 2$1,694 NZD
Retailer 16$2,238 NZD
Retailer 5$2,381 NZD
Retailer 4$2,452 NZD
Retailer 9$2,662 NZD
Retailer 13$2,692 NZD
Retailer 15$3,583 NZD
Retailer 17$4,110 NZD
Retailer 7$4,922 NZD
Retailer 11$5,030 NZD
Retailer 8$5,837 NZD
Retailer 10$6,565 NZD
Retailer 14$7,071 NZD
Do Amore Diamonds$7,771 NZD

15 data points across 17 retailers

8 retailers$1,691 NZD to $7,771 NZD

A
Cheapest Retailer
-
$1,691 NZD
$953 USD
A
Retailer 2
-
$1,694 NZD
$955 USD
View
B+
Retailer 3
-
$2,692 NZD
$1,517 USD
View
B+
Retailer 4
-
$3,583 NZD
$2,019 USD
View
B
Retailer 5
-
$5,030 NZD
£2,232 GBP
View
B
Retailer 6
-
$6,565 NZD
$3,700 USD
View
B
Retailer 7
-
$7,071 NZD
$3,985 USD
View
Most Expensive
B
Do Amore Diamonds
27-397C0C158 · Oct 30
$7,771 NZD
$4,380 USD
View
7 more retailers have this diamond
Prices start from $1,691 NZDSave up to $6,081 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
1.67ct Radiant
$1,691 NZD