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Round|Lab Grown|IGI

1.68ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG683520864

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683520864

Diamond specifications and retailer prices

From $690 NZD
$389 USD
As of October 30, 2026
Save $3,657 NZD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,347 NZD at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683520864 or 683520864. Listed at 22 retailers as of October 25, 2026, with prices from $690 to $4,347, a $3,657 spread on the same certified stone. Rare Carat lists it at $4,347. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520864
Dimensions7.66 × 7.63 × 4.69 mm
L/W Ratio1.00
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
7.66 mm7.63 mm1.68 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520864
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.4%

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: $4,347 NZD|Low: $690 NZD|High: $4,391 NZD|Avg: $1,754 NZD|-1.0%
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
November 1, 2026
Retailer 4$690 NZD
Retailer 5$765 NZD
Retailer 7$982 NZD
Retailer 13$1,050 NZD
Retailer 10$1,056 NZD
Retailer 6$1,230 NZD
Retailer 9$1,314 NZD
Retailer 2$1,371 NZD
Retailer 8$1,775 NZD
Retailer 12$2,243 NZD
Retailer 3$2,890 NZD
Retailer 14$2,953 NZD
Retailer 11$2,992 NZD
Rare Carat$4,347 NZD

41 data points across 14 retailers

22 retailers$690 NZD to $4,347 NZD

Retailer 1
-
$593 NZD
$334 USD
Price last confirmed 24 days ago
Retailer 2
-
$617 NZD
$348 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$690 NZD
$389 USD
View
Final sale: no returns
Retailer 4
-
$715 NZD
$403 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$754 NZD
$425 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$765 NZD
$431 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$982 NZD
£436 GBP
View
A
Retailer 8
-
$1,050 NZD
$592 USD
View
A
Retailer 9
-
$1,056 NZD
$595 USD
View
A
Retailer 10
-
$1,230 NZD
$693 USD
View
A
Retailer 11
-
$1,314 NZD
ZAR 11,964 ZAR
View
A
Retailer 12
-
$1,371 NZD
£608 GBP
View
A
Retailer 13
-
$1,775 NZD
A$1,539 AUD
View
B+
Retailer 14
-
$2,074 NZD
$1,169 USD
View
B+
Retailer 15
-
$2,243 NZD
$1,264 USD
View
Retailer 16
-
$2,457 NZD
$1,385 USD
View
Price last confirmed 24 days ago
Retailer 17
-
$2,457 NZD
$1,385 USD
View
Price last confirmed 41 days ago
B+
Retailer 18
-
$2,533 NZD
$1,427 USD
View
B+
Retailer 19
-
$2,890 NZD
$1,629 USD
View
B+
Retailer 20
-
$2,953 NZD
$1,664 USD
View
B+
Retailer 21
-
$2,992 NZD
£1,328 GBP
View
Most Expensive
B
Rare Carat
SS11634_l_683520864 · Oct 25
$4,347 NZD
$2,450 USD
View
21 more retailers have this diamond
Prices start from $690 NZDSave up to $3,657 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 Round
$690 NZD